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Chapter 2 How Psychologists Do Research

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Question;63. 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. level of anxiety;d. the anxious group;64. In an;experiment, four groups of college students used different memorizing;strategies to learn the material in one chapter of a textbook. Then each group was given the same;multiple-choice test on the material.;What was the dependent variable in this study?;a. the students' performance on the test;b. the four different groups;c. the four different memorizing strategies;d. manipulation of memorizing strategies;65. 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 dependent variable in this study?;a. the two groups;b. the level of anxiety;c. preference for being alone or in a group;d. manipulation of anxiety;66. 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.;In this study, the group that was NOT frightened would be called the;group.;a. experimental;b. control;c. placebo;d. test;67. The;purpose of a control group in an experiment is to;a. serve as a check on the interpretation of;results.;b. increase the ability to generalize the findings.;c. manipulate the dependent variable.;d. represent the general, nonlaboratory population.;68. In an;experiment, the group of subjects to which the experimental group is compared;is called the;a. comparison group.;b. standard group.;c. confederate group.;d. control group.;69. In an;experiment concerning the effect of auditory feedback on accuracy in writing;computer programs, one group hears a computer-simulated voice say each;character or symbol that they type in as they are writing their programs. The second group does not receive the;auditory feedback as they type their program lines. This second group is the ___________ group.;a. experimental;b. control;c. placebo;d. confederate;70. Why is it;essential that the experimental and control groups be treated identically in;every respect but one?;a. so that the dependent variable can be accurately;measured;b. so that the results will apply outside the;laboratory setting.;c. so that if the behavior of the two groups;differs, the difference can be credited to the one thing that distinguished the;groups from one another.;d. so that if the behavior of the two groups;differs, that difference can be used to establish a functional relationship;between the independent and dependent variables.;71. In an;experiment, a researcher manipulates one variable to see how it affects a;second variable. The manipulated;variable is called the __________.;a. dependent variable;b. control variable;c. independent variable;d. hypothetical variable;72. In an;experiment, a researcher manipulates one variable to see how it affects a;second variable. The second variable;which is observed for any possible effects, is called the __________.;a. dependent variable;b. control variable;c. independent variable;d. hypothetical variable;73. To;determine if sugar-rich diets affect hyperactivity in kids, a researcher;prepared two daily menus that children would receive for a 30-day period. A high-sugar diet was given to the boys;while the girls had a menu that seemed identical but was not a high sugar;diet. At the end of 30 days, the boys;and girls were evaluated to determine their levels of hyperactivity. In the study, the high-sugar diet is the;a. placebo;b. independent variable;c. dependent variable;d. control group

 

Paper#55116 | Written in 18-Jul-2015

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