Research Methods - Psychology

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Independent Variable

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Variable in an experiment that is manipulated by the experimenter.

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Dependent Variable

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Variable in an experiment that represents the measurable response or behavior of the subjects in the experiment.

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Independent variable is to dependent variable as _________ is to ____________.

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cause | effect.

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Correlations tell us

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how things are linked

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In an experiment, the _________________ variable is tested by the researcher to observe its effect(s) on the _________________ variable.

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independent; dependent

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Which kind of study can establish a cause-effect relationship between variables? Options: survey, case study, correlational study, experiment

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experiment

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This is a method of research where an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).

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Experiments

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What is a sample in research?

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only part of the target population

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What is a target population?

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the whole group you want to study or describe

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The population in a research study is...

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the whole group of research interest.