Calculate d^ as an effect size estimate to elaborate on the results in Exercise 18.4.
Answer to relevant QuestionsUse the protected t tests with the data in Exercise 18.1 to help you interpret the results. However this time compare the mean of the two baseline measures with the mean of the three training measures. In Exercise 19.11 children were classified as those who never showed ADD-like behavior and those who showed ADD behavior at least once in the second, fourth, or fifth grade. If we do not collapse across categories, we obtain ...Let’s see how students and faculty compare on a basic statistical question. Zuckerman, Hodgins, Zuckerman, and Rosenthal (1993) surveyed 550 people and asked a number of questions on statistical issues. In one question a ...To what population does the answer to Exercise 19.3 generalize? Why is rejection of the null hypothesis using a t test a more specific statement than rejection of the null hypothesis using the appropriate distribution-free test?
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