DATA COLLECTION &

DATA PRESENTATION

Methods of Data

Collecting

Indirect or Questionnaire

Method

Registration Method

Other Methods

Direct or Interview Method

Direct or Interview Method1. One of the most effective methods of collecting

original data2. There is an interviewer and a respondent3. Interview method advantage: * Can give complete information needed in the

study4. Disadvantages: * Can yield inaccurate information * The interviewer may cheat * The interviewer may influence the

respondent

Indirect or Questionnaire Method

1. One of the easiest methods2. It takes time to prepare3. Directions included, must be precise,

clear and explanatory4. Advantages: * less expensive * less time-consuming * confidential responses * free from any influence

Indirect or Questionnaire Method

5. Limitations: * cannot be accomplished by

illiterates * high proportion of non response

or non return * tend to give wrong information * tend to give incomplete

information

Registration Method1. Respondents provide information in

compliance with certain laws, policies, or standard practices

2. Examples: marriage contract, birth certificate, cedula, etc.

Other Methods1. Observation: gather data regarding

attitudes, behavior, values and cultural patterns

2. Telephone interview: questions to be asked must be brief and few. Ex: favorite program on tv

3. Experiments: collect or gather data if the investigator wants to control the factors affecting the variable being studied

Data PresentationTextual Form

In the statistic class of 40 students, 3 obtained the perfect score of 50. Sixteen students got a score of 40 and above, while only 3 got 19 and below. Generally, the students performed well in the test with 23 or 70% getting a passing score of 38 and above.

Data PresentationTabular Form

Data PresentationGraphical Form