Answer the following statement(s) true (T) or false (F)
Molecular feedback is the relation between the rate of behavior and the rate at which outcomes are earned.
Ans: False
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Violating the assumption of normal distribution will not change the outcome of the test for sample sizes greater than 30.
Answer the following statement true (T) or false (F)
People who have frequent nightmares are less likely to have feelings of anxiety and depression
Indicate whether the statement is true or false
In a cross-cultural study of gender stereotypes, Italian adults stereotypically associated "endurance" with men
Indicate whether the statement is true or false
A professor of women's studies is interested in determining if stress affects the menstrual cycle. Ten women are randomly sampled for an experiment and randomly divided into two groups. One of the groups is subjected to high stress for two months while the other lives in a relatively stress-free environment. The professor measures the menstrual cycle (in days) of each woman during the second
month. The following data are obtained. High stress 20 23 18 19 22 Relatively stress free 26 31 25 26 30 Assume you are evaluating H0 using the t test. The df for determining tcrit are _________. a. 4 c. 8 b. 9 d. 3