A researcher wanted to know whether perception of a person’s height depends on his/her perceived status. A random sample of army inductees was selected and equally divided between four groups. An actor gave a short speech separately to each group, extolling the virtues of army life. The groups differed as follows: 1) the actor was dressed as private; 2) the actor was dressed as a sergeant; 3) the actor was dressed as a captain; and 40 the actor was dressed as a colonel. The inductees were asked to complete a questionnaire evaluating the speech. As part of the questionnaire, they were asked to estimate the lecturer’s height. What is the: a) dependent variable? b) measurement scale of the dependent variable? c) number of groups fo scores/subjects? d) nature of the groups (independent or dependent/paired)? e) suggested statistical test?
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A researcher wanted to know whether perception of a person’s height depends on his/her perceived status. A random sample of army inductees was selected and equally divided between four groups. An actor gave a short speech separately to each group, extolling the virtues of army life. The groups differed as follows: 1) the actor was dressed as private; 2) the actor was dressed as a sergeant; 3) the actor was dressed as a captain; and 40 the actor was dressed as a colonel. The inductees were asked to complete a questionnaire evaluating the speech. As part of the questionnaire, they were asked to estimate the lecturer’s height. What is the: a) dependent variable? b) measurement scale of the dependent variable? c) number of groups fo scores/subjects? d) nature of the groups (independent or dependent/paired)? e) suggested statistical test? |
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