1a) A psychologist was running a 6-week group therapy session with college stude

Question

1a) A psychologist was running a 6-week group therapy session with college students to foster their tolerance of alternative cultural viewpoints. During the training session, a controversial speaker came to campus, which elicited controversy and protest. The study might have been compromised due to

a) ceiling effect

b) testing threat

c) history threat

d) maturation threat

1b) In a study on improving reading ability, subjects with poor pre-test scores showed higher gains compared to a group of average readers. You might suspect that the study sufferred from

a) regression toward the mean

b) attrition

c) history threat

d) maturation threat

1c) Selecting participants who are especially low on a pretest with plans to measure them again after treatment could lead to

a) mortality effects

b) selection bias

c) regression toward the mean

d) instrumentation

1a) A psychologist was running a 6-week group therapy session with college students to foster their tolerance of alternative cultural viewpoints. During the training session, a controversial speaker came to campus, which elicited controversy and protest. The study might have been compromised due to

a) ceiling effect

b) testing threat

c) history threat

d) maturation threat

1b) In a study on improving reading ability, subjects with poor pre-test scores showed higher gains compared to a group of average readers. You might suspect that the study sufferred from

a) regression toward the mean

b) attrition

c) history threat

d) maturation threat

Explanation / Answer

1a

d) maturation threat

Explanation:

1b

a) regression toward the mean

Explanation:

1c

b) selection bias

Explanation:

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