The fact that people who live in tropical climates are often tall and lean while people who live in very cold climates is likely a result of
a. cultural differences. c. evolutionary adaptations.
b. differences in diet. d. genes.
C
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When people such as Cohen say that a medium size difference has an effect size of .50, they are saying that we want the power for
a. one mean being half as large as another. b. one mean being half a point larger than another. c. one mean being half a standard deviation larger than another. d. one mean being based on half as many subjects as the other.
Which of the following most accurately describes eyewitness testimony in the courtroom setting?
a. ?It is considered to be uniformly precise and reliable. b. ?Errors in testimony are usually due to the witness’s premeditated intent. c. ?It can be affected by the words attorneys use when framing questions. d. ?Preliminary testimony is considered unreliable; therefore, follow-up questioning is essential.
Lack of flexibility is to _____ observation as lack of control is to _____ observation
a. laboratory; naturalistic b. naturalistic; laboratory c. disguised; undisguised d. undisguised; disguised
Regarding the study Sherif conducted with two groups of 11-year-old boys at a summer camp, which of the following statements is FALSE?
a. When the boys arrived at the camp, they were split into two groups and were kept apart initially to build up separate group identities and friendships. b. When the two groups were placed in competition with each other, a number of clashes occurred with the disliking between groups bordering on hatred. c. Tensions between the groups were reduced and conflicts resolved through meetings that were held between the leaders of each group. d. As a strategy to reduce tensions, emergencies that required cooperation among members of both groups were staged at the camp.