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Pellegrini, A.D.; And Others – Psychology in the Schools, 1981
Investigated two variance estimation procedures on a normed test treated as a criterion-referenced test. The first estimation procedure estimated the standard deviation systematically higher, whereas the second procedure's estimation was systematically lower than the actual standard deviation. (Author/RC)
Descriptors: Credibility, Criterion Referenced Tests, Disadvantaged Youth, Educationally Disadvantaged