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donald l beggs
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Measurement and evaluation in the schools
Donald L. Beggs · Houghton Mifflin
250 sayfa · 1974
Educational tests and measurements / Tests et mesures en éducation / Pädagogik / Evaluation / Messung
Research Design Behavioral Scie
Francis J Kelly, Donald L. Beggs, Keith McNeil, Tony Eichelberger, Judy Lyon · Southern Illinois University Press
368 sayfa · 1969
Regression analysis