Perceptual Data_04182016

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Perceptual Data as a Tool

Perceptual Data as a Toolby Rhonda Jindra, Kunal Dash, and Justine Yeo

Purpose for Todays SessionUnderstand the importance of perceptual dataInvestigate a variety of tools that support the analysis of perceptual text data

Perceptual Data

Data Types

Why Perceptual Data?One of the four types of data that should be looked at for school improvementMeasures attitudes of students, school staff, and parents toward the school environment (education, social, physical, etc.)Reflects reality of the stakeholder and guides behaviorWithout it, data is incomplete and may lead to less than optimal decisions

The Perceptual SurveyQuestionnaires from Education for the FutureQuestionnaires by group:Student (Elementary, Middle, High School)StaffParent (K-8th Grade, High School)

The Perceptual Survey: Close-Ended Questions

The Perceptual Survey:Open-Ended Questions

The Perceptual Report

The Current StatePerceptual data also used to improve data literacy among school staff by having them analyze and interpret graphs in the reportsHowever, methods for analyzing perceptual text data have not been explored yetText data provides very rich insights for continuous improvement

Resource for Analyzing Perceptual Data Strengths; Challenges; Implications; So What, Now What?Across Surveys: Agreements and Disagreements (Student, Staff, Parent)

Visualizing Text Data

Using Word CloudsVarious off-the-shelf tools: www.wordle.com and www.worditout.com Example from www.worditout.com:Step 1: Go to www.worditout.com; more specifically http://worditout.com/word-cloud/make-a-new-one Step 2: Copy text data from Word, Notepad or Excel into the box titled Original textStep 3: Click GenerateStep 4: Repeat until satisfied with design of generated world cloudBigger words signify more frequently occurring words

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Using Word It Out

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Generated Word Cloud

Sentiment Analysis using Meaning Cloud

Sentiment AnalysisAnalysis of a text to determine the underlying toneTones can be positive, negative, neutral or undeterminedPossible to analyze and glean insights from text as data just as much as numbersA relatively affordable sentiment analysis tool or software which we will discuss is an Excel add in - meaning it can be used to analyze text data laid out in a spreadsheetSoftware is called Meaning CloudSubsequent slides: Use one of Student, Staff or Parents text data and understand results

Meaning Cloud Sentiment Analysis:A Demo

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Step 1

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Step 2

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Step 3

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Step 4

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Step 5

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GLOBAL SENTIMENT ANALYSISResults

25EXPLANATION OF OUTPUTDocument Analysis or Global Sentiment Analysis: How to interpret the output meaningfully?PolarityIt could be one of the following colors:

AgreementShows the agreement between the polarities detected in the textSubjectivityShows the subjectivity value obtained for the textConfidenceShows the confidence value associated to the polarity detected for the textIronyShows if the text is considered ironic

262ND OUTPUT GENERATED

TOPICS SENTIMENT ANALYSISResults

27EXPLANATION OF OUTPUTTopic Analysis or Topics Sentiment Analysis: How to interpret the output meaningfully?FormThe name by which the topic extracted is identifiedTopic CategoryShows the type of topic extracted, that is, if it's an entity or a conceptRankContains the order in which the topics have been detected. It's specific for each type of topic, that is, the first entity detected will be ranked 1, and the first concept will be ranked 1 tooTypeShows the type associated to the topic according to our ontologyPolaritySame as in global sentiment analysisSense IDShows the ID of the topic detectedFor more information, you can visit the help page on MeaningCloud

28Couple of things to remember:How can you use the free version of this software?

29Couple of things to remember:Where can you find your activation or API key once you have installed the add in?

Additional Tips, Tricks, and Strategies

Other Free Text Mining ToolsTextalyser: http://textalyser.net/ Termine: http://www.nactem.ac.uk/software/termine/ Weka: http://www.cs.waikato.ac.nz/ml/weka/ R: https://www.r-project.org/

Ways to Increase Response RatesMultiple contacts: pre-notification, follow-upIncentives: class creditPersonalization: personal salutation in email to staffReduce burden: computers during parent visits/conferences/events

BONUS:Working with Google Maps, Tables, and Charts

A Google AdvantageTo work with Google Maps and Tables, you need to have a Google account; if you do not have one, then you need to create oneOnce created, please open www.drive.google.com and log inNext steps are shown visuallyReference website: https://www.geolounge.com/make-map-excel-data-using-google-fusion-tables/

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Setting Up Excel Data to Create a Map

Geocoding Excel Data

Viewing the Map of Excel Data

Customizing the Map

Creating a Heat Map

Customizing Symbols

Customizing Symbols

Adding a Legend

Purpose for Todays SessionUnderstand the importance of perceptual dataInvestigate a variety of tools that support the analysis of perceptual text data

Contact InformationRhonda Jindrarjindra@esu1.org

Kunal Dashkunal.dash@nebraska.gov

Justine Yeojustine.yeo@nebraska.gov

Thank you!Follow us @NDE_GOV!

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