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Download full textThompson, Bruce – 1992
Three criticisms of overreliance on results from statistical significance tests are noted. It is suggested that: (1) statistical significance tests are often tautological; (2) some uses can involve comparisons that are not completely sensible; and (3) using statistical significance tests to evaluate both methodological assumptions (e.g., the…
Descriptors: Effect Size, Estimation (Mathematics), Evaluation Methods, Regression (Statistics)
Peer reviewedAbrams, Allan S.; And Others – Journal of Experimental Education, 1979
Evaluation of large-scale programs is problematical because of inherent bias in assignment of treatment and control groups, resulting in serious regression artifacts even with the use of analysis of covariance designs. Nonuniformity of program implementation across sites and classrooms is also a problem. (Author/GSK)
Descriptors: Analysis of Covariance, Comparative Analysis, Compensatory Education, Educational Assessment
