Which statistic uses the mean and standard deviation to test for differences between two groups?
A. ANOVA
B. correlation coefficient
C. scatterplot
D. t-test
Answer: D
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In the Shepard and Metzler study, people judged whether two figures that were in different orientations were the same or different. What did this study demonstrate?
a. It takes much longer to rotate pairs in depth (e.g., by turning a figure away from you) than to rotate pairs in the picture plane (e.g., by turning a figure clockwise). b. The amount of rotation necessary before making "same-different" judgments influences decision speed. c. There were no consistent relationships between the variables examined in this study. d. The propositional-storage interpretation of imagery is correct.
At a meeting of your swimming club, a vote will be taken as to whether you are all going to swim across a body of water. Last year, the club swam across Crystal Lake, a small lake. The majority votes to do the swim. If group polarization occurs, you would expect the group to decide to swim across ____
a. ?the local creek b. ?the local public pool c. ?Crystal Lake d. ?the Mississippi River
Trent is working on a major presentation for one of his company's clients and is under a lot of stress. He has been working late every night and eating poorly. At first, he experienced a number of physical symptoms such as stomachaches and headaches, but in the last week, the symptoms have disappeared. Assuming that the stress is still present, Trent is probably in what phase of general
adaptation syndrome? a. psychosomatic c. resistance b. alarm d. exhaustion
When the teacher and student were in separate rooms in Milgram's experiment, the victim was depersonalized and this
a. decreased the level of obedience. c. increased the level of obedience. b. had no affect on obedience. d. none of these.