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How to Design and Evaluate Research in Education Book Cover
How to Design and Evaluate Research in Education, 5/e
Jack R. Fraenkel, San Francisco State University
Norman E. Wallen, San Francisco State University
Validity and Reliability

Chapter Outline


The Importance of Valid Instruments

Validity

Content-Related Evidence
Criterion-Related Evidence
Construct-Related Evidence

Reliability

Errors of Measurement
Test-Retest Method
Equivalent-Forms Method
Internal Consistency Methods
The Standard Error of Measurement (SEMeas)
Scoring Agreement
Validity and Reliability in Qualitative Research








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