Exam 3: Research Design: the Experimental Model and Its Variations

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The group that does not receive the treatment in an experiment is called:

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_________________ is the incorrect assumption that simply because one variable precedes an outcome in time, it therefore is the cause of that outcome.

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Experiments are excellent in controlling for internal validity.

(True/False)
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Discuss some factors both internal and external to a study which might threaten its validity.What are some ways of controlling for these threats?

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Which of the following was not mentioned as a disadvantage of experiments?

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External validity is concerned with the ability to generalize findings to larger populations beyond the group studied.

(True/False)
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Utilizing our hypothetical example of foot patrols discuss how one might apply the essential steps in resolving the causality problem.

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The "dualistic fallacy" refers to the belief that prisoners, representing criminals, and the general population, repre senting noncriminals, are mutually exclusive groups.

(True/False)
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_________________ designs are studies of the same group over a period of time.

(Short Answer)
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Quasi-experimental designs are ones which attempt to approx imate the true experimental design but lack randomization.

(True/False)
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_________________ occurs when the control group learns about and initiates the experimental group.

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If any error is present in research, then the entire research is worthless.

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_________________ refers to the dropping out or loss of subjects during the course of a study.

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Which of the following is not a necessary step in resolving the causality problem?

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_________________ takes place when respondent awareness of being studied tends to produce atypical or unnatural behavior on the part of subjects.

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The Minneapolis Domestic Violence Experiment claimed to demonstrate that arrest of wife abusers was the most effec tive strategy in reducing recidivism.

(True/False)
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The _________________ refers to observer bias in which observers let initial ratings of subjects influence all subsequent ratings.

(Short Answer)
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The Kansas City Preventive Patrol Experiment demonstrated that increased (proactive) patrol decreases crime rates.

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The tendency of subjects to react to a known or believed stimulus in the predicted manner is called:

(Multiple Choice)
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_________________ effects refer to the fact that "experimental treatments may have opposite effects upon different kinds of subjects."

(Short Answer)
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