Week 6: Analysis II

Preparatory Matrials

Please go through the following preparatory material before the lecture on Tuesday.

Watch Video: Null Hypothesis Significance Testing

Watch Video: P-Values and Significance Tests

Watch Video: Type I and Type II Errors

Watch Video: Power in Significance Tests

Read Article: How the Guinness Brewery Invented the Most Important Statistical Method in Science

Cheat Sheets

• Read Article: Choosing the Correct Statistical Test (Source: UCLA)
• Read Article: Flowchart for Choosing the Correct Statistical Test (Source: Stats and R)

Additional Reading Materials

1. Read: Chapter 4 Research Methods in Human-Computer Interaction, 2nd Edition (Authors: Jonathan Lazar, Jinjuan Feng & Harry Hochheiser).

Lecture Slides

• Part I: Preparing Data (PDF; 12.6MB)
• Part II: Parametric tests (t-test and ANOVA) (PDF; 12MB)
• Part III: Test Assumptions (PDF; 8.6MB)