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PSYC460 UPDATED Test Questions and CORRECT Answers
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ANOVA is a special case of.... multiple regression (using the general linear model) In effects coding in multiple regression with two categorical variables (X1 and X2), if you have 3 levels of X1 and 3 levels of X2, how many dummy variables are necessary to code the interaction between X1 and X2? 4 For a study in which there are 7 observed variables, how many values are there in the variance-covariance matrix? 28 What is the main rule for dumbing coding? k-1 if testing for interactions, which coding do you use? Effects or dumbing coding? Effects coding Regression predicts group means while ANOVA predicts.. if there's a difference between groups
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