What potential problems should you look for in the univariate distributions of categorical and quantitative scores?
Answer to relevant QuestionsHow can you identify and remedy: errors in data entry, outliers, and missing data? In what situations should the Wilcoxon rank sum test be used rather than the independent samples t test? Name two common post hoc procedures for the comparison of means in an ANOVA. A meta-analysis (Anderson & Bushman, 2001) reported that the average correlation between time spent playing violent video games (X) and engaging in aggressive behavior (Y) in a set of 21 well-controlled experimental studies ...Suppose that you have two different X variables (X1, X2) that you use to predict scores on Y. What formula would you need to use to assess whether their correlations with Y differ significantly? What information would you ...
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