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Peer reviewedRowley, Glenn – Journal of Educational Measurement, 1978
The reliabilities of various observational measures were determined, and the influence of both the number and the length of the observation periods on reliability was examined, both separately and jointly. A single simplifying assumption leads to a variant of the Spearman-Brown formula, which may have wider application. (Author/CTM)
Descriptors: Career Development, Classroom Observation Techniques, Observation, Reliability
Peer reviewedGreen, Kathy – Journal of Experimental Education, 1979
Reliabilities and concurrent validities of teacher-made multiple-choice and true-false tests were compared. No significant differences were found even when multiple-choice reliability was adjusted to equate testing time. (Author/MH)
Descriptors: Comparative Testing, Higher Education, Multiple Choice Tests, Test Format
