Question: What is the role of random assignment in the anorexia
What is the role of random assignment in the anorexia study?
Answer to relevant QuestionsWhy can’t we use random assignment in the study of homophobia, and what effect will that have on the conclusions we are allowed to draw? As it turns out, a research assistant has just finished running the experiment described in Exercise 15.10 without having carried out any power calculations. He tried to run 20 subjects in each group, but he accidentally ...Generate a table analogous to Table 15.2 for power equal to 0.60, with a = .05, two-tailed. Following on from Exercise 15.3, suppose that my colleagues were tired of having children tell them what they think we want to hear and gave them a heart-to-heart talk on the necessity of accurate reporting. Suppose that ...For the data in Appendix D, form three groups. In Exercise 16.13. (These data are available at www.uvm.edu/~dhowell/fundamentals8/DataFiles/Add.dat.) Group 1 has ADDSC scores of 40 or below, Group 2 has ADDSC scores between ...
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