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| researchers give treatments and observe if they cause changes in behavior |
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| receives the dependent variable |
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| stationary; independent variable |
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| participants divided at random |
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| researchers do not give treatments |
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| participants interviewed, questioned, or otherwise observed so that their attitudes, beliefs, and behaviors as they exist without experimental intervention are determined |
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| to explore cause and effect relationships |
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| purpose of non-experimental studies |
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| observe participants in order to describe them as they naturally exist without experimental treatments |
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| Are treatments given in nonexperimental studies? |
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| In an experiment, Group A was given verbal praise for being on time for appointments while Group B was given no special treatment. Which group is the control group? |
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| Is it necessary to have at least two groups of participants in order to conduct an experiment? |
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| Is a survey an experiment? |
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| Does knowing that a multiple-choice test was used in a study help a consumer of research determine whether the study was experimental OR nonexperimental? |
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| A political scientist polled voters to determine their opinions on a decision by the Supreme Court. Is this an "experimental" study or a "non-experimental" study? |
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| A teacher compared the effectiveness of three methods of teaching handwriting by using different methods with different students. Did the teacher conduct an "experimental study" or a "non-experimental study"? |
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