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Cards In This Set
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Dr. Meyes is conducting a survey of attitudes toward social programs. He wants to be sure that he has White and non-White participants in his sample. Consequently, he divides his population into groups according to race and then randomly samples from each group. This is an example of _____ sampling.
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STRATIFIED
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A drawback to the randomized two-group design is that it...
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Provides a limited amount of information about the effect of the independent variable.
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An experimental design with more than two levels of a single independent variable is called a ____ design.
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Single-factor two group
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Making treatment order an independent variable allows you to
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Measure the amount of carryover and take it into account in future experiments
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If the effect of one independent variable changes over the levels of a second, a ____ is present
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Interaction
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To ensure internal validity of a pretest-posttest study, you must:
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Include a control gopu that is not exposed to your treatment
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Quasi-experimental research is used when...
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Random assignments of subjects is not possible.
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According to the text, an abstract for an empiracle study should contain..
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- information on the problem under study
- a description of the methods, subjects, results, and conclusions |
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A reference citation for a journal article includes the
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All of the above
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The term _____ refers to the degree to which your research design evaluates the hypothesis that it was intended to evaluate.
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Internal validity
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You need children between the ages of 2 and 6 for your study of language development. Of the 100 parents you contact, 45 agree to allow their children to participate. According to your text, this situation may affect the ____ of your study.
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Internal validity
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Research done primarily to test a theoretical position would best be classified as:
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Basic research
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Research primarily focused on the solution to a real-world problem would best be classifed as:
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Applied research
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Two designs that you can choose to use in your research are:
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Experimental and correlational designs
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According to the text and literature, a successfully completed research project:
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May raise more questions than it answers
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