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Direct linkBarnette, J. Jackson – Educational and Psychological Measurement, 2005
An Excel program developed to assist researchers in the determination and presentation of confidence intervals around commonly used score reliability coefficients is described. The software includes programs to determine confidence intervals for Cronbachs alpha, Pearson r-based coefficients such as those used in test-retest and alternate forms…
Descriptors: Intervals, Reliability, Computer Software, Scores
Peer reviewedLawless, Kimberly A. – Educational and Psychological Measurement, 1995
A 72-item survey, examining 6 types of instructional media, was administered to 85 preservice teachers to examine their beliefs with respect to instructional media. Factor analysis supported two strong constructs, technological beliefs and traditional beliefs. Whole and subscale reliabilities are also reported. (SLD)
Descriptors: Beliefs, Educational Media, Educational Technology, Evaluation Methods
