52. In an experiment on the effects of level of motivation on the performance of

Question

52. In an experiment on the effects of level of motivation on the performance of typists, the researcher randomly assigned one third of her subjects to each of three levels of motivation (and then induced different levels of motivation in the three groups). She measured the average words tvned per minute hv each groun. and found that nerformance was hiohest under medinnm motivation, average under low motivation, and worst under high motivation. What was the independent variable in this experiment? a. time b. typing speed c. variation in typing speed d. manipulation of typing speed e. motivation 53. A psychologist wanted to see if people are more prone to seek the company of others when anxious than when calm. He randomly assigned half of his subjects to an anxiety group and then told them that, as part of the study, they would receive electric shocks. He did not frighten the other group of subjects. Finally, he recorded how many subjects in each group chose to be tested" in a group setting and how many chose to be "tested" alone. What was the independent variable in this study? a. tendency to desire the company of others b. level of shock c. this doesn't have one d. the anxious group e. level of anxiety 54. If a researcher is interested in determining the degree of association between intelligence and grades in school, then the most appropriate research method to use is A) a correlational design. B) an experiment C) a case study D) a Q-sort. E) all of the above 55) If there is a strong positive correlation between people's rated level of charisma and their scores on the Affective Communication test, we can deduce A) that charisma is strongly determined by genetic influences. B) that people who are motivated to succeed deliberately train themselves to be more expressive. C) that telling people to use more gestures would make them more charismatic. D) that extroversion underlies successful leadership. E) none of these 56) What is the greatest strength of experimental designs that other designs lack?

Explanation / Answer

52.motivation was independent variable since it was manipulated by the researcher and divided into 3 levels to see its effect on performance of the typists. 53.The anxious group is the independent variable in the study. 54.Correlational design;Correlational research is a type of nonexperimental research in which the researcher measures two variables and assesses the statistical relationship. 55.none of these is applicable

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