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8.3 Control through Participant Selection and Assignment 1)What is the major reason for careful participant selection? A)It generates clear research hypotheses. B)It reduces statistical errors. C)It improves internal validity. D)It enhances external validity. 2)Careful participant selection ensures ________ validity, thereby allowing generalization of the results to a larger population. A)construct B)internal C)external D)statistical 3)Careful participant selection increases A)normal validity. B)external validity. C)construct validity. D)statistical validity. 4)A population is A)the smallest number of events that are representative of the larger group. B)the larger group to which the researcher has access. C)the smaller number of events drawn from the larger group. D)the larger group of all events of interest from which a sample is selected. 5)The smaller number of participants that is used in studies as if they adequately represent the larger group of interest is the A)target population. B)sample. C)larger population. D)accessible population. 6)The population from which we can readily sample is the ________ population. A)target B)accessible C)general D)sampling 7)A researcher wants to look at self-concept in college students nationwide. However, she decides to sample from all college students in the Boston area. In this experiment, “college students nationwide” is the ________ population. A)target B)representative C)accessible D)sampling 8)A researcher wants to look at self-concept in college students nationwide. However, she decides to sample from all college students in the Boston area. In this experiment, “all college students in the Boston area” is the A)larger population. B)general population. C)accessible population. D)sampling population. 9)Which of the following is true? A)We can always generalize safely from a sample to a general population. B)We can always generalize safely from sample to a target population. C)We can never generalize safely to a general population. D)We can only generalize safely to the population from which we have taken the sample. 10)The larger population in which we are ultimately interested is called the A)accessible population. B)ad hoc population. C)random population. D)target population. Â

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