Validity and Reliability in Survey Research. Technical Report No. 15 / Darlene F. Russ-Eft.
With increasing reliance being placed on the results of their surveys, the National Center for Education Statistics (NCES) recognized a need for these survey results to be valid and reliable. As part of the work of the Statistical Analysis Group in Education (SAGE), an effort was undertaken to inves...
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Language: | English |
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1980.
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ED279726
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