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The Concept of Statistical Significance Testing. ERIC/AE Digest.

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Thompson, Bruce – 1994

Too few researchers understand what statistical significance testing does and does not do, and consequently their results are misinterpreted. This Digest explains the concept of statistical significance testing and discusses the meaning of probabilities, the concept of statistical significance, arguments against significance testing,…

Descriptors: Data Analysis, Data Interpretation, Decision Making, Effect Size

Program Improvement through Evaluation: Connecticut's First Round of Sustained Effects Studies. Feedback, Occasional Paper Number 1.

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Fitzgerald, Nicholas B. – 1986

A quality control review of Connecticut's Sustained Effects studies was undertaken by the Chapter 1 Evaluation Technical Assistance Center (TAC) operated by RMC Research Corporation. Nineteen Connecticut school districts had selected from among four basic evaluation designs in implementing the Chapter 1 Sustained Effects requirement during 1982 to…

Descriptors: Compensatory Education, Data Analysis, Educational Research, Elementary Secondary Education