. I . Distinguish between the general mathematical forms of ANOVA and MANOVA . Describe what a t-test 1s . Describe what Hotelling's T test is . Select univariate and multivariate methods for statistical inference between groups based on the number of groups . Explain the difference between the univariate null hypothesis of ANOVA and multivariate null hypothesis of MANOVA . Describe what a factor is . Describe the advantages of using a MANOVA over multiple ANOVAs when examining the effects of a variate on a set of dependent variables . Describe the difference between a controlled experiment and a field experiment . Describe the difference between a randomized and nonrandomized experimental design