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Experimental Research in IT Analysis – practical part

Experimental Research in IT Analysis – practical part. Hanna Venesvirta.

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Experimental Research in IT Analysis – practical part

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  1. Experimental Research in ITAnalysis – practical part Hanna Venesvirta

  2. Experimental task: select an object as fast as possible.Depend variable: selection time.One independent variable (diameter of an object) with three levels (diameter: 25, 30, and 40 mm).All the participants made the same task: within subject design. one-way within subject ANOVA.

  3. Parametric tests

  4. size

  5. size

  6. Non-parametric one way within subjects analysis of variance:Friedman test

  7. Post hocs for Friedman: Wilcoxon Repeated Measures Signed-Rank test

  8. Break. Coffee etc. 15 minutes.

  9. Task: download the assignments from the course web page (schedule -> week 16).See the sheets ”ratings” and ”errors” – further instructions there.You can report (if there is anything to report!) in the excel sheet.

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