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Download full textStanford Univ., CA. Stanford Center for Research and Development in Teaching. – 1973
This memorandum, part of a series, critically examines the fixed-effects analysis of variance procedure used in an intensive classroom study. The procedure, used by Gentile, Roden and Lein (Journal of Applied Behavioral Analysis, 1972, 5) for intensive studies of single subjects, is found inappropriate because the basic assumptions of an analysis…
Descriptors: Analysis of Variance, Classroom Research, Data Analysis, Educational Improvement
Peer reviewedLaPrelle, John; And Others – Evaluation Review, 1992
High intercommunity variation in adolescent smoking precluded detection of effects of mass media campaigns on initiation of cigarette smoking in a study with a final sample of 1,637 adolescent subjects. Implications for studies using the individual as unit of analysis and the community as unit of randomization are discussed. (SLD)
Descriptors: Adolescents, Analysis of Variance, Community Programs, Etiology
