PNB 3XE3 Study Guide - Quiz Guide: Repeated Measures Design, Dependent And Independent Variables, Caffeine

• School: McMaster University
• Department: Psychology, Neuroscience & Behaviour
• Course: PNB 3XE3
• Professor: Mel Rutherford

Document Summary

4: how many f ratios do you figure in a 2 x 2 analysis of variance? a 1. The first independent variable was email, which had two levels: email access" and no email access". The second independent variable was caffeine, which also had two levels: caffeinated drink" and decaffeinated drink". Productivity was recorded at the end of the day on a scale of 0 (i may as well have stayed in bed) to 20 (wow! I got enough work done today to last all year). Square the sum: calculate the group means. Square the sum: calculate the grand mean. Calculate the difference between each score and the grand mean. Sum across all cases: calculate the grand mean. Calculate the difference between each group mean and the grand mean. The gender of the child was also examined. Some simple contrasts were performed on the data. = level 1, positive information = level 2, no information = level 3. )