Robert L. Johnson

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Assessing Performance: Designing, Scoring, and Validating Performance Tasks
Johnson, Robert L.; Penny, James A.; Gordon, Belita

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� 5.27

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Fletcher Destroyer Bluejacket: Voyages of the USS McGowan DD 678 1951-54
Johnson, Robert L.

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� 7.54

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Psychology: Core Concepts: Discovering Psychology Edition
Zimbardo, Philip G.; Johnson, Robert L.; Weber, Anne L.

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� 8.36

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Survey Scales: A Guide to Development, Analysis, and Reporting
Johnson, Robert L.; Morgan, Grant B.

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� 19.80

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