Minimizing experimental error ______ internal validity.
A. increases
B. decreases
C. has no effect on
D. has a confounding effect on
Ans: A
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Tim feels that he has worked very hard to get his promotion. However when his last sales pitch did not end up in a sale he attributed the failure to the fact that the company he was "pitching to" was having financial difficulties. Tim's behavior is an illustration of __________
a. the actor-observer effect c. the self-serving bias b. the foot-in-the-door technique d. a fundamental attribution error
When reinforcement is contingent on continuous performance of an activity, a __________. reinforcement schedule is in force
a. duration b. interval c. time d. ratio
An experimenter wanted to test the hypothesis that women who eat large meals are not liked as well as women who eat smaller quantities of food by using the one factor repeated measures design. Participants in the study watched a videotape of a woman eating a small nutritious snack, a normal meal, or a huge meal while talking to another person. Each participant viewed three different versions of
the videotape, each with a different woman (Pat, Sue, and Deb) eating a different amount of food. After viewing the videotape, participants filled out a questionnaire about how much they liked each of the women they had seen in the videos.In this experiment, it would be important to control for _____. a. the topic of conversation in the videos c. the weight of the women in the videos b. the exact foods eaten in the videos d. all of these
Based on Langer and Rodin's (1976) study of perceived control in elderly nursing home residents, what would be the best thing for a nursing home administrator to say to residents?
a. "We are here to respond to your needs and make your life enjoyable." b. "We'll give you a plant for your room, which the nurse will water." c. "You'll have a student visitor occasionally, depending on the student's schedule." d. "At each meal, you have a choice of three entrées."