Archives of Physical Medicine and Rehabilitation · 2009 · 117 citations · 32 references
Social SciencesEducational AssessmentEducational MeasurementDifferential Item FunctioningItem Response TheoryPsychometricsPsychological TestingTest ReliabilityTest ValidityEcological ValidityEcological Validity Model
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Statistical Power Analysis for the Behavioral Sciences
Keith E. Muller, Jacob Cohen · Technometrics · 1989 · 83.9K citations
The Measurement of Observer Agreement for Categorical Data
J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 78.9K citations · Full text
Lenore Sawyer Radloff · Applied Psychological Measurement · 1977 · 53.3K citations · Full text