Describe two research situations where DA can be used: one situation where the primary interest is in group classification and another situation where the primary interest is in the description of the nature of group differences
Answer to relevant QuestionsWhat assumptions about the data should be satisfied for a DA? What types of data screening should be performed to assess whether assumptions are violated? Design a factorial MANOVA study. Your design should clearly describe the nature of the study (experimental vs. nonexperimental), the factors (what they are and how many levels each factor has), and the outcome measures ...For a set of three mental ability tests in the Project Talent Dataset that was used in Chapter 16, a principal components analysis was obtained and all three components were retained. Selected results from this analysis ...How can we correct for attenuation of correlation due to unreliability? Under what circumstances does correction for attenuation due to unreliability yield inaccurate results? How can you use the item-total statistics from the reliability program to decide whether reliability could be improved by dropping some items?
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