During the course of her experiment, Yolanda learned that seven of the 12 clients in her new four-hour session had quit and walked out of the session before it was completed. What threat to internal validity does her experiment have?

A) selection bias
B) history effect
C) experimental mortality
D) maturation
E) testing effect


C

Social Work & Human Services

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You can make a serious argument that Progressive-era social workers

a. helped renew and expand America's commitment to democracy. b. infantilized the American people by lobbying against child labor laws. c. laid the foundation for the Great Depression by raising taxes, thus reducingconsumption d. inculcated an unreasonable expectation that ordinary people deserve to livedecently.

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In management, as in other areas of social work practice, we have relatively little knowledge that could be described as:

A. Untested. B. Descriptive. C. Predictive. D. Prescriptive.

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An advantage of a Thurstone scale over a Likert scale is:

a. Thurstone scales achieve ordinal level of measurement. b. people can respond to the items in Thurstone scales more quickly. c. Thurstone scales avoid the ecological fallacy. d. Thurstone scales have higher reliability

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Gender stability occurs when children

a) label their own sex and that of others correctly b) become aware that gender cannot be changed c) have an understanding that gender can be changed d) have an understanding of the permanence of gender

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