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Measurement Research in Psychology

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Describe the similarities of the four methods of establishing reliability. Also indicate how they are different.

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A detailed description of the similarities and differences of the four methods of establishing reliability.

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The four methods of establishing reliability are: Inter-Rater or Inter-Observer, Test-Retest, Parallel-Forms, and Internal Consistency. Test-Retest, Parallel-Forms, and Internal Consistency are all used to assess the consistency of results. Test-Retest assesses the consistency of a measure from one time to another. ...

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