In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct ________ and ________.
A. blind group assignment; blind sampling
B. blind group assignment; random sampling
C. blind sampling; random group assignment
D. random sampling; random group assignment
Answer: D. random sampling; random group assignment
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What is an unconditioned reflex?
a. An automatic connection between a stimulus and a response b. A learned connection between a stimulus and a response c. A procedure for teaching an animal to respond to a stimulus d. A response that has generalized from a trained stimulus to a new stimulus
This is called the ______ because it is based on the average difference between the scores within each group and the group mean.
A. Within-subjects variance B. Between-groups variance C. Within-groups variance D. Between-subjects variance
Studies of conformity indicate that people are more apt to be influenced by others if they
a. are concerned about the approval of others. b. have low needs for certainty and structure. c. belong to a culture that emphasizes individuality. d. have a great deal of self-confidence.
A weakness of many of the family studies of eating disorders is that:
a) Most rely upon self-report and not direct observation. b) An inadequate level of attention paid to third variable causes. c) Limited generalizability given the laboratory nature of the research. d) An overreliance upon a single theoretical paradigm.