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2.0 SELECTING AND DEFINING A RESEARCH
PROBLEM
Engr. (Prof.) Azikiwe Peter ONWUALUFNSE, FNIM, FAEng, FAS
African University of Science and Technology (AUST), Abuja.Former Visiting Professor, National Universities Commission
(NUC), Abuja.Former Director General, Raw Materials Research and
Development Council (RMRDC), Abuja.
Email: [email protected]: [email protected]
1Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
LECTURE MODULES
• 2. Selecting and defining a research problem• 2.1 Problem formulation • 2.2 Criteria for selecting a problem• 2.3 Identifying variables• 2.4 Evaluating problems• 2.5 Functions of a hypothesis• 2.6 Experimental design & Statistical analyses of data• 2.7 Preparations before conducting your research• 2.8 Disruptive research and innovation• 2.9 Product oriented/market driven research
2Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
TRAINING METHODS
Lectures
Case Study
Questions
Discussion
Assessment
3Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
TEXTBOOKS AND RESOURCES (1)
• Agbaje, A. 2010. Introductory Lecture Notes on Research Methodology. University of Ibadan, Ibadan.
• Asika, N. 2012. Research Methodology in the BehaviouralSciences. Learn Africa Plc. Ikeja.
• Eko, E.E. 2015. Effective Writing and Communication. HEBN Publishers Plc, Ibadan.
• Gupta, S.C. Fundamentals of Statistics. Himalaya Publishing House, Mumbai.
• Kothari, C.R. and Garg, G. 2014. Research Methodology . 3rd
Edition. New Age International Publishers., New Delhi.• Northrop, R.P. Introduction to Instrumentation and
Measurements. 2nd Edition. Taylor and Francis, Florida.
Prof. A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
4
TEXTBOOKS AND RESOURCES (2)
• Onwualu, A.P. 2012. Commercialization of ST&I Spin off. A Paper delivered at the Federal Ministry of Science and Technology Capacity Building Program held in Abuja.
• Onwualu, A.P. 2013. Research and Development Spill overs Patents and the Incentives to Innovate in Nigeria. A paper delivered at the one day public seminar on Intellectual Property and Technology Transfer (IPTT) at the Assembly hall, Ahmadu Bello University (ABU), Zaria.
• Onwualu, A.P., Obasi, E., Olife, I.C. and Inyang, A. 2013. (Eds.) Unlocking the Potentials of Nigeria’s Non-Oil Sector. Pitmak Publishers Ltd, Abuja. by Raw Materials Research and Development Council. ISBN: 978-978-52367-2-9
• Onwualu, A.P., Ogunwusi, A.A., Olife, I.C. and Inyang, A. 2013. (Eds.) Raw Materials Development for the Transformation of the Manufacturing Sector in Nigeria. Published by Raw Materials Research and Development Council. ISBN: 978-978-52367-1-2.
• Onwualu, A.P. 2015. Optimizing the potentials of research in a university: case of University of Port Harcourt. Invited Keynote paper presented at conference to mark 40th anniversary of University of Port Harcourt, Centre for Research Management, University of Port Harcourt.
• Onwualu, A.P. 2015. Academia industry collaboration as a strategy for commercialization of research output in Nigeria. Invited keynote paper Strategic Academia Industry Interface, University of Benin, Benin City. 24th August, 2015.
Prof. A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
5
TEXTBOOKS AND RESOURCES (3)
• Ugonna, U.D and Onwualu. A.P. 2016. Beyond Research and Development: Policy Options for Overcoming the Obstacles to Commercialization of R&D in Nigeria. International Journal of Technology Transfer and Commercialization (Accepted for publication).
• Onwualu, A.P. 2016. Benchmarks for research for the generation of exploitable intellectual property. Workshop on Intellectual Property, Nnamdi AzikiweUniversity, Awka. 12th – 13th April, 2016.
• Onwualu, A.P. 2017. Research Methodology and Communication (in press).• Onwe, O.J. (Undated). Research Methodology. National Open University of Nigeria
Lecture Notes MGS 731.• Osuala, E.C. 2013. Introduction to Research Methodology. Africana First Publishers
Plc, Onitsha. • Sing, Y.K. 2006. Fundamental of Research Methodology and Statistics. New Age
International Publishers, New Delhi.• Spiegel, M.R. and Stephens, L.J. 2008. Theory and Problems of Statistics. 4th
Edition. Schaum’s Outline Series, McGraw-Hill, New York.
Prof. A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
6
2.2CRITERIA FOR SELECTING
A PROBLEM Researcher’s Ecosystem Scientific Content Novel, revolutionary, transformative Potential Local, regional, global impact Scalable Feasibility Sustainability Requirements of funding agency Summary Questions and Discussion
7Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
LEARNING OUTCOMES
At the end of this session, you shouldbe equipped with knowledge on thecriteria to consider when selecting aresearch problem.
8Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
RESEARCHER’S ECOSYSTEM
Background training of researcher.
Researcher’s competence.
Past Experiences and knowledge.
Career track and future career.
Researchers interest and passion.
9Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SCIENTIFIC CONTENT
New models (mathematical or statistical)
New designs and productsProducts can be goods or servicesNew procedure or techniqueIntellectual property (patents)Contribution to knowledge, extending
what is scientifically known
10Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
NOVEL
Out of the box strategic thinking
Revolutionary
Transformative
Disruptive
Big idea that can change the world
11Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
LOCAL, REGIONAL AND GLOBAL IMPACT
Local Impact (solving local problems such as power, transport, water, food)
Regional Impact (problems that cut across regions such as Africa, ECOWAS)
Global Impact (global problems such as communication, entertainment, global warming, global conflicts, infectious diseases, food safety, high volume products and services)
12Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SCALABLE
Possibility of commercialization
Potential Market and end user
Challenges of Market entry
Challenges of infrastructure for moving from idea to product
13Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
FEASIBILITY
Technical Feasibility
Economic Feasibility
Social Feasibility
Research Facility
14Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SUSTAINABILITY
Funding
Post funding
Environmental issues
Gender issues
Leadership and mentorship
15Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
REQUIREMENTS OF FUNDING AGENCY
In some cases, for donor funded projects the criteria are already set by the funding agency.
The researcher should endeavor to meet these requirements.
In most cases, the criteria listed above are the similar to what is usually prescribed.
In addition, the area of focus will be specified by the funding agency.
16Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
MAJOR DIRECTION OF GLOBAL RESEARCH
Energy (green, renewable, clean energy) Materials (value addition, new materials) ICT (mobile apps, bid data, smart systems) Food security (high yielding and disease resistant varieties,
food production inputs, post harvest systems, marketing and packaging, food safety, mechanization)
Environment (climate change, desertification, erosion, pollution control, recycling)
Healthcare (vaccines, organic drugs, infectious diseases, public health)
Advanced Production and Manufacturing Systems (3D printing, superconductors, GMOs, Unmanned Aerial Vehicles, Space Systems)
17Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
QUESTIONS AND DISCUSSION
• Questions from participants ???
• Discuss two major research projectsas case study
18Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
2.3IDENTIFYING VARIABLES
Meaning of variables in research Types of Variables Quantitative and Qualitative Variables Steps in Identifying Variables Controlling Variables Summary Questions and Discussion
19Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
LEARNING OUTCOMES
At the end of this session, you should beequipped with the knowledge and skill toidentify, understand and control variablesin a research project.
20Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
MEANING OF VARIABLE
A concept is an abstraction based on characteristics of perceived reality. For example, the concept “height” is used to measure how tall or short a human being is.
A variable is a concept that can vary in the course of an experiment.
It is important to identify all variables in a research project at inception, in order to avoid obtaining spurious results.
It may not be possible to study all the variables but one must know that those variables are important for the study.
21Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
EXAMPLES OF VARIABLES
A study of waste water or effluent from a brewery: The water quality can be measured by different variables including level of acidity (pH). This is affected by a number of other variables, thus;
pH = f(T, SS, COD, H, G, Mg, Cl)Where T=temperature; SS=suspended
solids; COD=Chemical Oxygen Demand
22Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
TYPES OF VARIABLES
Dependent Variable
Independent Variable
Continuous Variable
Discrete variable
Extraneous Variables
23Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
DEPENDENT AND INDEPENDENT VARIABLES
At the beginning, all variables must be identified. Those variables which can be used to characterize
the behaviour of the process or system and which usually depend on other variables are referred to as Dependent Variables. The levels of the dependent variable are usually not set by the researcher.
Those variables whose levels can be set and varied by the researcher in order to determine the effect on the dependent variables are referred to as independent variables. They are sometimes referred to as treatments.
24Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
QUANTITATIVE AND QUALITATIVE VARIABLES
Quantitative Variables – those variables which can take numerical values and can be measured. Eg: weight, height, cost, temperature, pressure.
Qualitative Variables – those variables that are descriptive and can only be observed, not measured. Eg: colour, smell. They are sometimes called categorical variables.
25Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
DISCRETE AND CONTINUOUS VARIABLES
Discrete variables: A variable is discrete when it takes a finite set of values.
Continuous Variables: When the variable can take an infinite set of values between two specified points.
Note that a variable can be discrete at a time and at other times becomes continuous depending on the scale and resolution of measurement.
26Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
EXTRANEOUS VARIABLES
Extraneous variables (sometimes called confounding variables) are those variables which are not being studied but which can actually affect the results of the research.
They include those ones ignored by the researcher. Examples include: human error in measurements,
instrument error, environmental effects such as noise in electrical signals, temperature of the environmental area.
Extraneous variables can introduce spurious results in a research and need to be identified and controlled.
27Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
STEPS IN IDENTIFYING VARIABLES
Conduct literature review on the problemList the dependent variable(s)List the independent variable(s)Based on the problem formulated, reduce the
dependent variables to the major important ones that can be measured.
In the same manner, reduce the independent variables to the ones that can be varied.
Provide adequate control mechanism for the extraneous variables.
28Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
CONTROLLING EXTRANEOUS VARIABLES
Blocking or replications
Sampling techniques
Use of standard procedures
Minimizing the occurrence by considering all possible variables in planning the experiment
29Prof. A.P. ONWUALU, fas African University
of Science and Technology, Abuja
SUMMARY
Types of variables include dependent and independent; discrete and continuous; quantitative and qualitative.
It is important to identify all possible variables in a research project at inception.
Those variables which cannot be identified at the beginning which eventually affect the results are called extraneous variables.
Extraneous variables can be controlled by employing proper sampling techniques and using statistical tools to analyze the data.
30Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
QUESTIONS AND DISCUSSION
• Questions from participants ???
• Using two equations, discussdependent and independentvariables.
31Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
2.4EVALUATING A RESEARCH PROBLEM
Statement of the research problem
Criteria for evaluating a research problem
Summary
Questions and discussion
32Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
LEARNING OUTCOMES
At the end of this module, you should be equipped with the following knowledge:
meaning of a research problem
criteria for evaluating a research problem
33Prof. A.P. ONWUALU, fas African University of Science and
Technology, Abuja
WHAT IS A RESEARCH PROBLEM?
• A question the researcher wants to answer.• An interrogative sentence or statement that asks what
relation exists between two or more variables.• A question asked in order to address an area of concern
where there is a gap in knowledge.• An action taken to provide knowledge when there is no
ready response by instinct or by previous acquired knowledge.
• A statement about an area of concern, a condition to be improved upon, a difficulty to be eliminated or a troubling question that exits in a field of study or application.
34Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SOURCES OF RESEARCH PROBLEM
• Intuition.• Personal Practical experience.• Social issues in society.• Economic problems in society.• Folklores.• Existing theory.• Previous research.• Literature • Consultation with experts and industrialists.• Field work and market research.• Brainstorming.
35Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
CHARACTERISTICS OF A GOOD RESEARCH PROBLEM STATEMENT
Adequate highlight of the nature of the problem.
Key variables must be identified.
Variables must be measurable.
Method of research and data analysis must be specified.
36Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
CRITERIA FOR EVALUATING A RESEARCH PROBLEM (1)
• Clarity: the problem must be specific, clear and brief.• Feasibility: there must be evidence of adequate resources in terms of technical
feasibility, time, money, skills and potential reward.• Ethics: the problem must address ethical concerns.• Importance and Significance: Must address an important problem of significance
to the local, regional and global community. Implications of research to policy. • Scientific Content: must fill gap in theory and knowledge, use unique methods,
repeatable, use of new measurement techniques or improvement on existing methods, development of new equipment, process or theory.
• Equipment and facilities: There must be adequate equipment and facilities to carry out the research.
• Researcher Competence: The researcher must have training and experiences relevant to the study. Otherwise the research team must be multidisciplinary in nature.
• Environmental and Sustainability issues: The research must address issues of environmental impacts and sustainability of potential results.
37Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
CRITERIA FOR EVALUATING A RESEARCH PROBLEM (2)
• Timeliness: The work plan must show timeliness of operations.
• Budget: There must be adequate budgetary to support literature search, stipends for research assistants and support personnel, transport, materials, laboratory fees, etc.
• Originality: the problem should be original, unique, new, current and has not been studied in the same way before by other researchers.
• Intellectual Property: The problem should have potential of generating intellectual property.
• Commercialization: The research problem should be such that the result should be scalable and the possibility of commercialization of result high.
38Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
ACTUAL EVALUATION OF A RESEARCH PROBLEM
• To evaluate a research problem in actual practice, the criteria above can be used to develop a matrix.
• Each of the criteria is given a weight or all of them can be given equal weight as the case may be.
• The problem is then scored on a scale of 1 to 5, where 1 represents low and 5 represents high, with 2, 3, 4 between them.
• At the end the scores are tallied to obtain a total which can be used for evaluating or assessing the problem.
• This procedure is very useful for self assessment by the researcher before sending out a project proposal.
• It is also useful for assessors, when confronted with choosing from a number of alternatives.
39Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SUMMARY
A research problem is evaluated usingdifferent criteria including: originality,scientific content, technical andeconomic feasibility, clarity, ethics,relevance and importance andpotential production of intellectualproperty and commercialization ofresults.
40Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
QUESTIONS AND DISCUSSION
Questions????
Discussion: A problem was initially stated as: “What are the effects of global warming on crop production?”. Discuss how to change the problem to: “How does global warming affect post harvest production of cereal crops in Nigeria?”
41Prof. A.P. ONWUALU, fas
African University of Science and Technology, Abuja
2.5FUNCTIONS OF HYPOTHESIS
Meaning of hypothesis
Null and alternative hypothesis
Characteristics of a good hypothesis
Functions of hypothesis
Sources of hypothesis
Hypothesis testing
Summary
Questions and discussion
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
42
LEARNING OUTCOMES
By the end of this module, participants will understand the meaning of hypothesis and formulate and test hypothesis in research.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
43
MEANING OF HYPOTHESIS
Hypothesis is a proposition, an informal intelligent guess about the solution to a problem.
It can also be an intelligent guess of the relationship between variables in a research project.
Research hypothesis is usually stated in a general sense
Statistical hypothesis is stated in specific terms
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
44
FUNCTIONS OF HYPOTHESIS
The hypothesis provides the link between reality, theory and explanations in research.
It assists the researcher to transform his ideas into testable forms.
It enables the researcher identify relevant variables in a research.
It enhances the design of the research. It enables the researcher analyze results scientifically. It makes the research to be more focused and directed
towards desired goals. It helps to save time in research
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
45
CHARACTERISTICS OF A GOOD HYPOTHESIS
It should be clear, not ambiguous.
It should be specific and precise.
It should be capable of being tested.
It should state relationship between two variables.
It should be limited in scope.
It should be stated in simple terms.
It should be consistent with known facts.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
46
SOURCES OF HYPOTHESIS
• Experience
• Literature
• Theory
• Previous work
• Thinking
• Brainstorming among members of research team.
• Potential end users of the research.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
47
NULL AND ALTERNATIVE HYPOTHESIS
• Suppose we want to compare the performance of two cars using a particular variable such as fuel efficiency.
• Assume that fuel efficiency is represented by A and B for each of the cars respectively.
• We can set a Null Hypothesis that A=B, that is there is no significant difference between the fuel efficiency of the two cars.
• The Null Hypothesis is Ho: A=B• The Alternative Hypotheses is that the two values are not
the same• Ha: A≠B; A>B; A<B• Thus the Null Hypothesis is usually stated as a statement of
no difference between two means or parameters.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
48
STEPS FOR HYPOTHESIS TESTING
• State or formulate the hypothesis.• Select levels of significance for testing, usually 5% or 1%.• Decide on the test Statistic.• Normal distribution, Z-statistic is usually used for large sample size,
n>=30.• Student t-distribution (t-statistic) is used for small sample size,
n<=30.• Calculate the test statistic (see next slide)• Obtain the tabulated value of the statistic (α in the case of one
tailed test and α/2 in the case of two tailed test), using n-1 degrees of freedom.
• Apply the decision rule and accept or reject the null hypothesis.• If the Null hypothesis is accepted, then the alternative hypothesis is
rejected and vice versa.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
49
DECISION RULE FOR TESTING HYPOTHESIS
• As an illustration, suppose we have a situation where there are 15 observations and we want to use 5% level of significance.
• The degrees of freedom (n-1) become 14 df.• From t-table we obtain: Tu=1.761, Tl=-1.761 for one sided rejection region.
Tu=upper value of t and Tl=lower value of t. Tu=2.145, Tl=-2.145 for two sided rejection region.
• Calculate t-statistic (Tc) as:
• Tc=µ−µ𝑜
𝑆𝑥where 𝑆𝑥 =
𝑆
𝑛−1
• µ= sample mean; µo=population mean, Sx=standard error of sample mean, S=standard deviation.
• If Tc<Tu, or Tc>Tl, accept Ho; • If Tc>Tu or Tc<Tl, reject Ho• The sample principle applies to the use of Z-statistic, t-statistic and F-
distribution.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
50
WORKED EXAMPLES
The concepts above can be understood more by working through examples 1-20, pages 193-227 of Kothari, C.R 2004. Research Methodology. Ebook
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
51
SUMMARY
Hypothesis is used to for making an intelligent guess about the relationship between variables in a research project.
They are usually stated as Null and Alternative Hypotheses. Such hypotheses, once formulated and stated must be
tested using statistical analysis, by comparing t, z and F statistic calculated using standard equations and those obtained from statistical tables using appropriate degrees of freedom and levels of significnce.
Decision rules are used to accept or reject the null hypothesis. These are used to improve the level of confidence in assessing observed differences between variables in an experiment.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
52
QUESTIONS AND DISCUSSION
• Questions from participants????
• Discussion: Why do we have to use hypothesis in a scientific research. Can we do without it? Under what circumstances do we have to use Z, t and F statistic in analysis of data.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
53
LECTURE 2.6EXPERIMENTAL DESIGN and STATISTICAL ANALYSIS
Development of mathematical model.Software development for numerical solution.Survey.Development of research equipment. Development of a process, material or product.Experimental design.Library, field and laboratory experiments. Instrumentation and measurements.Data analysis and validation of models.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
54
LEARNING OUTCOMES
By the end of this module, participants will beequipped with knowledge of experimentaldesigns and statistical analysis of data toimprove the formulation of research problems.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
55
INFORMAL EXPERIMENTAL DESIGNS
Before and after treatment design, without control
After treatment only design (with control)
Before and after treatment design (with control)
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
56
BEFORE AND AFTER TREATMENT DESIGN WITHOUT CONTROL
• In this type of experimental design, measurements are taken before and after treatment is applied.
• There is no control.
• The effect of the treatment is taken as the difference between the value of the variable before and after the treatment.
• Such experimental designs can introduce extraneous variables but may be the only option especially in expensive experiments.
• Only simple statistics can be used for analysis of data.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
57
AFTER TREATMENT ONLY DESIGN WITH CONTROL
• In this type of design, no measurements is made on the experimental object until after the treatment.
• However, measurement is made on both the object that received the treatment and a control that did not receive treatment.
• This is allowed when it is not possible to measure before and after treatment on the same object or sample.
• Data generated can only be analyzed using simple statistics.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
58
BEFORE AND AFTER TREATMENT DESIGN (WITH CONTROL)
• In this type of design, the relevant variables are measured on the sample or object before and after treatment.
• In addition, the variables are also measured on a control sample or object.
• This design helps in minimizing the effects of extraneous variables.
• However, it is more costly than the earlier designs.
• The data cannot be subjected to rigorous statistical analysis.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
59
FORMAL EXPERIMENTAL DESIGNS
Complete Randomized Design
Randomized Block Design
Latin Square Design
Factorial Design
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
60
COMPLETE RANDOMIZED DESIGN
In this design samples are assigned treatments at random in order to minimize the effect of extraneous variables.
The treatments are next replicated.
It can be analyzed by one way or two way analysis of variance.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
61
RANDOMIZED BLOCK DEISGN
This is an improvement on the complete randomized deisgn.
In addition to the randomization, the concept of blocking is introduced.
First the experimental area is divided into blocks. The treatment, including control are assigned at random to the block with replications. There can be 2,3, 4 etc blocks.
Two way analysis of variance is used for the analysis.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
62
LATIN SQUARE DESIGN
In agricultural field experiments, there may be variations in the field with respect to nutrients, moisture content.
Such extraneous factors can be minimized by using them as if they are blocks in the design.
That way, the treatments are randomized in the different blocks such that no one level of treatment appears in the same location throughout the field.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
63
FACTORIAL DESIGN
In some experiments, the number of factors or variables can be many and at different levels.
Such experiments can be handled by factorial designs
It is possible to have 2x2x4 factorial experiments. It is probably the most superior design because it
can handle any number of variables.However, it can be expensive since the number
and levels of variables leads to a large number of experimental samples or units.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
64
STATISTICAL ANALYSIS OF DATA
Tabulation of results.Descriptive statisticsDescriptive plots and graphsRegression analysisAnalysis of variance (ANOVA)Use of software for analysis of
data.Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja65
DESCRIPTIVE STATISTICS
These are tools used for describing data generated from a research.
They include: frequency, mean, mode, median, range, mean deviation, standard deviation.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
66
DESCRIPTIVE PLOTS AND GRAPHS
Pie charts
Bar charts
Graphs
Trend analysis
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
67
COMPUTER APPRECIATION
• Operating Systems (MS-DOS, Windows, Mac, Linux, Unix)
• Managing Files, folders and general navigation within the computer
• File Formats (doc, docx, pdf, jpg,odt)• Computer protection• Multi-media use of computers• Keyboarding• Communication using computers• You must have a functional lap top
68Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
USE OF INTERNET FOR RESEARCH
Communication and interaction among researchersLiterature search GoogleYahooOther search enginesFiltering and optimizing your searchScientific Networks Journal Alerts BlogsOpen source and other e-resources
69Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
STATISTICS PACKAGES
SPSSStatsgraphicsSASStatistical LabAnalyticaBMDPGenSTATExcelMinitab
70Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
NUMERICAL ANALYSIS
Matlab
TK Solver
Analytica
GNU Octave
Free Mat
Lab View
71Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
FINITE ELEMENT ANALYSIS
Abacus
ANSYS
Nastram
REEM
Adina
OpenFoam
72Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
PRESENTATION
Skype
Power Point
Websites (Word Press)
Video (You tube)
Animation
Use of pointers
Body language
Timeliness of presentations
73Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
GRAPHICS
Any Chart Chart Director DADiSP Datacopia EJS PLPlot EZL Fusion Charts GNU Plot Lab Plot
74Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
WORD PROCESSING
AbiWord Calligra Words Ether Pad GNU Texmacs Polaris Office Adobe Page maker Apple Pages Documents to Go Lotus Word Pro Tech Writer Word Perfect Google Docs Authorea Adobe Buzzword ComWriter Microsoft Office Online Microsoft Word LaTEX
75Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
ENGINEERING DESIGN
Granta ProE AutoCAD Autodesk Product Design Suite CATIA ZW3DMech Designer BricsCAD Solid Edge Geomagic Design
76Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
REGRESSION ANALYSIS
• Simple and multiple regression.
• Linear, non linear regression.
• Curve fitting
• Details and examples in Spiegel (Schaum’sseries) Chaper 13, pg 316 E-book.
77Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
ANALYSIS OF VARIANCE
Details of procedure for analysis of variance (ANOVA) in the e-books:
Siegel (Schaum series) Chapter 16, pg 403;
Kothari, Chap 11, pg 256-284
78Prof A.P. ONWUALU, fas
African University of Science and Technology, Abuja
SUMMARY
• Experimental designs include formal and informal designs.
• Informal designs include: before and after treatment design,without control; after treatment only design (with control);before and after treatment design (with control)
• Formal designs include complete randomized design,randomized complete block design, latin square design andfactorial design.
• Analysis of data can be achieved with different computersoftware packages including SPSS and Minitab.
• Researchers should train and re-train themselves on the use ofthese and other computer applications to enhance the quality oftheir research.
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QUESTIONS AND DISCUSSION
• Questions?????• Discussion: Discuss the difficulties in using
formal experimental designs inresearch. Discuss the challenges in using
software packages for research andhow to overcome the obstacles.
Prof A.P. ONWUALU, fasAfrican University of Science and Technology, Abuja
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PRACTICAL SESSIONS
Using Minitab and SPSS, practicedata analysis….. Descriptivestatistics such as mean, standarddeviation, regression andcorrelation, analysis of variance,graph plotting, etc
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LECTURE 2.7PREPARATION BEFORE CONDUCTING YOUR
RESEARCH
• Obstacles and challenges of research.
• Internal preparations before conducting your research.
• External preparations before conducting your research.
• Identify and pursue your targets.
• Summary.
• Questions and discussion.
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LEARNING OUTCOMES
By the end of this module, participants shouldbe equipped with knowledge on preparations tomake before embarking on research.
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CHALLENGES OF RESEARCH
• Accuracy and reliability of data and research results.
• Poor record keeping.• Poor funding.• Poor library facilities.• Poor ICT infrastructure.• Poor power supply.• Logistics challenges (laboratory supplies).• Institutional bureaucracy.• Cooperation among research team members.
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INTERNAL PREPARATIONS BEFORE CONDUCTING YOUR RESEARCH
• Identify and formulate the research problem properly.
• Carry out extensive literature review.
• Design the research
• Develop and work plan and budget
• Conduct a review and peer review of the research plan.
• Ensure all research materials and equipment are available.
• For each of the plans, ensure you have a plan B.
• Review plans and logistics through project meetings.
• Ensure proper documentation as the project proceeds.
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EXTERNAL PREPARATIONS BEFORE CONDUCTING YOUR RESEARCH
• Establish linkages with relevant researchers outside your university.
• Establish linkages with industry and potential users.• Plan for a robust ICT facility.• Create and maintain a functional website.• Establish web presence through social media.• Ensure that external procurements are planned for,
allowing for adequate lead times.• Where foreign exchange is involved, work out how to
overcomes current challenges in the foreign exchange market.
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IDENTIFY AND DEVELOP PLANS FOR MEETING TARGETS ON TIME
• Number of PhDs and MScs to be produced.
• Number of innovations and products to be produced.
• Patents and other intellectual properties.
• Start-ups.
• Commercialization.
• Adoption of research results by industry
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IDENTIFY AND DEVELOP PLANS FOR MEETING TARGETS ON TIME
• Number of PhDs and MScs to be produced.
• Number of innovations and products to be produced.
• Patents and other intellectual properties.
• Start-ups.
• Commercialization.
• Adoption of research results by industry
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SUMMARY
• Research is confronted by a number of obstacles and challenges.
• Before embarking on research, theses obstacles should be identified.
• Plans should be made on how to overcomes the obstacles before embarking on the research.
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QUESTIONS AND DISCUSSION
• Questions by participants????
• Discussion:
Identify potential obstacles to the execution of a research project.
Discuss how to overcome each obstacle identified.
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LECTURE 2.8DISRUPTIVE RESEARCH AND INNOVATION
• Importance of Research
• Types of Research
• Types of Innovation
• Research, Innovation, Wealth Nexus
• Characteristics of Disruptive Research and Innovation
• Examples of Disruptive Research and Innovation
• How to Achieve Disruptive Research and Innovation
• Summary
Questions and Discussion.
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LEARNING OUTCOMES
By the end of this module,participants should be able toinitiate and implement DisruptiveResearch and Innovation usingmulti-disciplinary teams.
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IMPORTANCE OF RESEARCH
• Deeper understanding of nature and environment.
• Custodian of Knowledge.
• More Acquisition of Knowledge.
• Exploitation of Knowledge for New Products and Services.
• Sustainable Innovation System.
• Sustainable Industrialization.
• Wealth Creation.
• Economic Growth and Sustainable Development.
93Prof Onwualu, fas
African University of Science and Technology, Abuja
TYPES OF RESEARCH (1)
Pure research Fundamental or the theoretical research.Basic and original.Can lead to the discovery of a new theory.Can result in the development or refinement of a theory that already exists.Helps in getting knowledge without thinking of implementing it in practice.
Applied research Based on the concept of the pure research.Is problem oriented.Helps in finding results or solutions for real life problems.Provides evidence of usefulness to society.Helps in testing empirical content of a theory.Helps in developing the techniques that can be used for basic research.Helps in testing the validity of a theory but under some conditions.Provides data that can lead to the acceleration of the process of generalization.
Prof Onwualu, fasAfrican University of Science and Technology, Abuja
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TYPES OF RESEARCH (2)
Exploratory research Involves exploring a general aspect.Includes studying of a problem, about which nothing or a very little is known.Follows a very formal approach of research.Helps in exploring new ideas.Helps in gathering information to study a specific problem very minutely.Helps in knowing the feasibility in attempting a study.
Descriptive research
Simplest form of research.More specific in nature and working than exploratory research.It involves a mutual effort.Helps in identifying various features of a problem.Restricted to the problems that are describable and not arguable.Existing theories can be easily put under test by empirical observations.Underlines factors that may lead to experimental research.It consumes a lot of time.It is not directed by hypothesis.
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TYPES OF RESEARCH (3)
Diagnostic studyQuite similar to the descriptive research.Identifies the causes of the problems and then solutions for these problems.Related to causal relations.It is directed by hypothesis.Can be done only where knowledge is advanced.
Evaluation study Form of applied research.Studies the development project.Gives access to social or economical programmes.Studies the quality and also the quantity of an activity
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WHAT IS INNOVATION?
The process of translating an idea or invention into a value added product or service that is marketable
Innovation is bringing into being a better idea or method while invention is just to create an idea or method
Innovation leads to more effective ideas, processes, technologies, products and services that are readily available to the market.
It is usually assured in an economy when there is a functional National System of Innovation (NSI) based on the Triple Helix Concept (Government, Research and Industry working together).
97Prof Onwualu, fas
African University of Science and Technology, Abuja
•Figure iv. Waves of Innovation Model. •Source: Hargroves, K. and Smith, M. (2005), p 17.[1]
•[1] Hargroves, K. and Smith, M.H. (2005) The Natural Advantage of Nations: Business Opportunities, Innovation and Governance in the 21st Century, Earthscan, London.
98Prof Onwualu, fas
African University of Science and Technology, Abuja
TYPES OF INNOVATION
• Evolutionary or Revolutionary
• Incremental or Radical
• Product, Service and Process
99Prof Onwualu, fas
African University of Science and Technology, Abuja
INNOVATION and WEALTH OF NATIONS
There is direct relationship
between
innovation output
and
wealth of nations
100Prof Onwualu, fas
African University of Science and Technology, Abuja
RESEARCH, INNOVATION AND DEVELOPMENT NEXUS
ECONOMIC DEVELOPMENT
RESEARCH
INNOVATION
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EXAMPLES OF PRODUCTS OF RESEARCH AND INNOVATION
Computer, television, radio, air conditioner, fan, washing machine, GSM.
Internet, Facebook, Whatsapp, Tweeter, Microsoft, Apple, HP, printers.
Bicycle, motorcycle, car, aircrafts, engines, train, drones, rocket, missile.
Telephone, photography, films, cinema, novels, camera, dryer, cooker.
Capacitor, OLED, solar cell, battery, petrochemicals, bulb, flourescent.
X-ray, microwave, radio signal, eye glass, clock, stethoscope, ECG.
Paper, pencil, pen, ink, books, calculator, CAD/CAM systems, e-books.
Industrial chemicals, drugs, packaging materials, cement, lubricants.
Buildings, roads, railway, airports, seaports, space station, glass, steel.
Soccer, monopoly scrabble, golf, cricket, handball, baseball, toys.
THESE DISCOVERIES HAVE MADE LIFE MORE INTERESTING AND ENABLED MAN TO OVERCOME THE CHALLENGES OF HIS ENVIRONMENT.
For a minute, let us reflect on some other achievements of man, aided by innovations and research.
102Prof Onwualu, fas
African University of Science and Technology, Abuja
RICH OR POOR?ANY INNOVATION?
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TRANSPORTATION-AIRCRAFTS
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ENERGY- ELECTRICITY
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AGRICULTURE-TRACTORS
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HEALTHCARE-HOSPITAL EQUIPMENT
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GLOBAL INNOVATION SPECTRUM: Where is Nigeria?
• Different Indices can be used to quantify Innovation. These include: International Innovation Index; Innovation Indikator; Innovation Union Scoreboard; Global Competitiveness Index; Bloomberg Innovation Index and Global Innovation Index (GII)
• GII gives an indication of the capability of an economy in generating and using innovation continuously for development
• It is an average of two sub indices namely input and output sub indices
108Prof Onwualu, fas
African University of Science and Technology, Abuja
GLOBAL INNOVATION INDEX =Average of Input and Output Indices
Innovation Input Sub Index Pillars• Institutions• Human Capital• Research• Infrastructure• Market Sophistication• Business Sophistication
Innovation Output Sub Index Pillars• Knowledge and Technology Output• Creative outputs
109Prof Onwualu,
African University of Science and Technology, Abuja
GII: Framework of the Global Innovation Index 2014
110Prof Onwualu, fas
African University of Science and Technology, Abuja
GLOBAL INNOVATION INDEX 2014 RANKING
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1. Switzerland 64.78 10. Honk Kong 56.82
2. UK 62.37 21. Japan 52.41
3. Sweden 62.29 29. China 46.57
4. Finland 60.67 53. South Africa 38.25
5. Netherlands 60.59 78. Tunisia 32.94
6.USA 60.09 85. Kenya 31.85
7. Singapore 59.24 96. Ghana 30.26
8. Denmark 57.52 109. Burkina Faso 28.18
9. Luxemburg 56.86 110. Nigeria 27.76
Prof Onwualu, fasAfrican University of Science and Technology, Abuja
CHALLENGES OF NATIONAL
DEVELOPMENT
Food and Agricultur
e Health care,
Education and
Employment
Power, Transport and Communicatio
nWater, environment and Security
Housing and Urban
Development
Commerce and
Industry
112Prof Onwualu, fas
African University of Science and Technology, Abuja
Wealth
Science
Research and Development
Engineering Capability
Technological Capability
Innovation and Entrepreneurship
Increased Productivity
and Production
113Prof Onwualu, fas
African University of Science and Technology, Abuja
SOLUTION TO NIGERIA’S PROBLEMS
DISRUPTIVE
RESEARCH
AND
INNOVATION
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CHARACTERISTIC OUTCOMES OF DISRUPTIVE RESEARCH AND INNOVATION
Completely displaces existing ideas, products, services and the way we do things
Leads to enormous wealth creation
Leads to tremendous improvement in standard of living
Leads to global disruptions in technology available to do things that hitherto were impossible
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EXAMPLES OF PRODUCTS OF DISRUPTIVE RESEARCH AND INNOVATION
• Wikipedia vs traditional encyclopeadia (Wikipeadia has 5 million articles and is free; Encyclopeadia Brittanicca has 120,000 articles, costs $1000 and bulky).
• Computers vs traditional methods of calculation or word processing
• Data Storage (floppy disk, CD, USB)• Display – LED (light bulb, CRT, LEDs)• Food processing and storage• Air-conditioning• Drip Irrigation in a dessert• Organ transplants• Smart mobile phones• Speed trains and jumbo jets• Publishing
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CHALLENGES OF DISRUPTIVE RESEARCH AND INNOVATION
• Very Costly in terms of equipment, personnel and research funds
• Higher risk of failure
• Longer to achieve
• Requires functional infrastructure
• Requires high skill and continuous training
• Requires dedication and persistent work.
• Requires multi-disciplinary teams.
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STRATEGIES TO ACHIEVE DISRUPTIVE RESEARCH AND INNOVATION
Look at the big picture - Projects that integrate theory and simulation, practice and experiments, surveys, capacity building, patents, product development, scale-ups, start-ups.
Entrepreneurial research - Do not be discouraged by your environment in terms of available funding, laboratory, time etc
Identify and engage partners in the Triple Helix (government, industry and academia)
Consider research that are game changers and can completely change existing processes and products.
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SUMMARY
• Research leads to innovation and innovation leads to wealth of nations.
• The challenges of development in Nigeria are such that disruptive research and innovation must be evolved and used.
• Strategies for evolving disruptive research and innovation include entrepreneurial, multi-disciplinary research which must be aimed at changing the way we do things.
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QUESTIONS AND DISCUSSION
Questions from participants???? Discussion: • Identify any existing disruptive research and innovation
in Nigeria?. • In your field of specialization, identify one possible
disruptive research and one possible disruptive innovation.
• Identify the challenges in implementing such an innovation and proffer solutions.
• Is it possible to have disruptive research and innovation in Nigeria?.
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LECTURE 2.9PRODUCT ORIENTED AND MARKET
DRIVEN RESEARCH
Curiosity oriented research
Product oriented research
Market driven research
Challenges
Prospects
Strategies for fostering product oriented and market driven research
Summary
Questions and discussion
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LEARNING OUTCOMES
By the end of this module, participantsshould be equipped with knowledge tobe able to initiate and implementcuriosity oriented research, productoriented research and market drivenresearch.
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CURIOSITY ORIENTED (DRIVEN) RESEARCH
Research that is done to satisfy the curiosity of the researcher.
Used to achieve deeper understanding of a phenomenon. Useful in establishing theories, standards, etc. Examples include establishment of laws such as Newton’s
laws of motion. They may not have immediate application in the short
term. For a developing country such as Nigeria, many people may
think that this is not useful because of the numerous problems begging for solution.
But it should be noted that most applied and product oriented research are based on curiosity driven research.
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PRODUCT ORIENTED RESEARCH
• Research targeted at production of goods and services which may or may not be in demand.
• It is based on the technology push model of research where technologies or products are developed and pushed into the market.
• Advantages include that it can quickly expand the range of products in an economy.
• It can also energize the production of products not earlier considered by consumers.
• It may not necessarily require high scientific content.• It can be costly especially when it fails.• It required aggressive and comprehensive marketing to penetrate the
market.• It is a better model for a developing country because impact is
immediately felt.
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EXAMPLES OF PRODUCT ORIENTED RESEARCH
• Development of a new method of writing.
• Development of a product to minimize fuel consumption in a vehicle.
• Development of a more efficient roofing material.
• Development of a new machine tool.
• Development of a new solar powered telephone hand set.
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MARKET DRIVEN RESEARCH
• Research targeted at providing the need of a clientele or the general public.
• It is based on demand and so the results of the research find immediate application.
• The demand can be actual or perceived but must be confirmed before the commencement of research.
• Some times the research is done in collaboration with the end user (research-industry linkage)
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EXAMPLES OF MARKET DRIVEN RESEARCH
• Research on alternative energy sources.
• Research on infectious diseases.
• Research on high yielding and disease resistant planting materials.
• Research on cheaper and safer means of transport.
• Research on cheaper and more efficient means of communication.
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IMPLEMENTING PRODUCT ORIENTED and MARKET DRIVEN RESEARCH
• Global market survey of products.• Survey of existing patents and trademarks.• Interaction with product producers and consumers to
understand what is required.• Identify target products that can displace or compete
favorably with existing products.• Product or goods/service can be developed using
contract research or contract production.• It may require convincing potential clients to contract
the researcher for a particular technology, product or service.
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CHALLENGES
Product must be of highest standards to satisfy regulatory and standard organizations.
Poor intellectual property regime. Difficulties in commercialization and manufacturing of products. Poor access to funds to drive research to the point of producing
acceptable goods and services. Very few venture capital companies. Absence of research environment that can support product oriented and
market driven research such as industrial or technology parks. Competition with imported technology, goods and services which reduces
the real market demand for products. Lack of collaboration culture to support very serious multi-disciplinary
teams that can bring researchers, industry and funding institutions together.
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STRATEGIES FOR FOSTERING PRODUCTORIENTED AND MARKET DRIVEN RESEARCH
• There should be a national integrated approach to research and development.
• A group of experts including key people from academia, industry and government can come together and identify major research thrusts.
• These can be used to challenge universities to form multi-disciplinary consortium of researchers based on the expertise of each university.
• Adequate funding will be provided to drive each research to the end product in the market.
• In the mean time, universities should form such groups to cover key sectors of the economy and then cultivate the buy in of the other stake holders and pursue the projects.
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SUMMARY
• For most developing countries, researchers should focus on product oriented and market driven researchas opposed to curiosity or pure research.
• Such research must focus on developing products and services, especially the type that can solve immediate problems.
• Multi-disciplinary teams of researchers in universities should be formed to address the challenges facing Nigeria in different areas of the economy.
• Such research must be targeted at technologies, products and services determined as requires by people.
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QUESTIONS AND DISCUSSION
Questions ??????Discussion:• Identify the challenges in forming and
operationalizing multi-disciplinary research teams that can handle product oriented and market driven research.
• Discuss the challenges that can face such a team and how to overcome them.
• Identify clusters of research themes that can lead to product oriented and market driven research.
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