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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
Schwartz, Wendy – 2002
The 2002 reauthorization of the Elementary and Secondary Education Act mandates that schools receiving federal funding must desegregate their student performance data by race, gender, and socioeconomic status in order to provide progress information to the community and state. Data-driven decision making is particularly important in urban schools…
Descriptors: Data Analysis, Data Collection, Decision Making, Educational Equity (Finance)