Transcription of AN INTRODUCTION TO MULTIVARIATE STATISTICS
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AN INTRODUCTION TO MULTIVARIATE STATISTICS
An INTRODUCTION to MULTIVARIATE STATISTICS The term MULTIVARIATE STATISTICS is appropriately used to include all STATISTICS where there are more than two variables simultaneously analyzed. You are already familiar with bivariate STATISTICS such as the Pearson product moment correlation coefficient and the independent groups t-test. A one-way ANOVA with 3 or more treatment groups might also be considered a bivariate design, since there are two variables: one independent variable and one dependent variable. Statistically, one could consider the one-way ANOVA as either a bivariate curvilinear regression or as a multiple regression with the K level categorical independent variable dummy coded into K-1 dichotomous variables.
The second experiment in the 1994 study, in which the plaintiff’s physical attractiveness and social desirability were manipulated, found that only social desirability had a significant effect (guilty verdicts were more likely when the plaintiff was socially desirable). Measures of the strength of effect ( 2) of the
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