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Peer reviewedVogel, Robert – Computers in the Schools, 1989
Criticizes the statistical methods used in a previously published article that compared a commercially produced computer program with traditional teaching methods. Measures of instructional effectiveness are described, the assignment of student pairs is examined, and the use of blocking variables with analysis of variance is discussed. (LRW)
Descriptors: Analysis of Variance, Computer Assisted Instruction, Courseware, Criticism
Download full textMontgomery, Margaret Anne Patricia; Weakland, Jean Marie – 1967
The effects of various rates of presentation were studied in combination with massed and spaced, concurrent and nonconcurrent, overt and covert practice modes on film-mediated perceptual performance. Selected values of the independent variables were investigated within a 3x3x2 factorial design, and the experimental treatments were randomly ordered…
Descriptors: Analysis of Variance, Educational Psychology, Educational Technology, Evaluation Methods
