To estimate the standard deviation of the sampling distribution when using a single-sample t test, we use the:
a. estimated standard deviation.
b. estimated population standard deviation.
c. estimated standard error of the mean.
d. true standard error of the mean.
c
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Which question would an industrial/organizational psychologist be least likely to study?
a. Do employer expectations influence job performance? b. What personality characteristics are associated with effective leaders? c. Are people more or less satisfied with their current romantic partner? d. How do financial incentives affect worker motivation?
According to the text, all but which of the following factors are associated with adolescent risk-taking?
a. hormonal influences b. the personal fable c. having close friends who engage in risky behavior d. impulsivity e. family problems
The biological approach to personality has each of the following strengths except one. Which one?
A. It has identified some realistic parameters for psychologists interested in behavior change. B. It has provided a bridge between the study of psychology and the discipline of biology. C. Nearly all of the hypotheses generated from the biological approach can be tested through direct manipulation of the variables of interest. D. Most of the advocates of the biological approach are academic psychologists interested in testing their ideas through research.
Maccoby and Jacklin (1974) concluded that boys and girls differed in their abilities in what areas?
A. Boys have lesser visual-spatial abilities. B. Boys have greater verbal abilities. C. Boys have lesser mathematical abilities. D. Boys have greater visual-spatial abilities.