Question: Brescoll and Uhlmann 2008 investigated the hypothesis that when an
Brescoll and Uhlmann (2008) investigated the hypothesis that when an observer views a videotape of a male expressing anger as opposed to sadness, the male in the anger condition isaccorded higher status than the male in the sadness condition. For 19 males the mean and standard deviation (in parentheses) of the anger condition were 6.47 (2.25). For the 29 men in the sad condition the mean and standard deviation were 4.05 (1.61). Is this difference significant?
Answer to relevant QuestionsBrescoll and Uhlmann (2008), in the study described in Exercise 14.18, found the reverse effect for females. They thought that perhaps this latter result was related to the way anger is judged in females compared to males. ...Why isn’t the difference between the results of Exercises 13.1 and 14.1 greater than it is? 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 ...What is your subjective probability that the New York Yankees will win next year’s World Series? What does that have to do with power? How many subjects would we need in Exercise 15.6 to have power 5 .80?
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