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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What is replication?

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Doing an experiment again and getting the same results

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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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What is a sample in research?

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only part of the target population

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What does it mean to generalize results?

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to apply findings based on a sample to a larger group

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Measures of the spread of data around the mean?

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standard deviation and range

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Examples of participant variables?

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prior experience, motivation, intelligence, educational background

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Examples of situational variables?

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time of day, noise level, temperature, location

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_____________ refers to the extent to which findings can be generalized from the experiment to other settings or situations.

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Ecological validity