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ERIC Number: EJ314664
Record Type: CIJE
Publication Date: 1985
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Three Coefficients for Analyzing the Reliability and Validity of Ratings.
Aiken, Lewis R.
Educational and Psychological Measurement, v45 n1 p131-42 Spr 1985
Three numerical coefficients for analyzing the validity and reliability of ratings are described. Each coefficient is computed as the ratio of an obtained to a maximum sum of differences in ratings. The coefficients are also applicable to the item analysis, agreement analysis, and cluster or factor analysis of rating-scale data. (Author/BW)
Descriptors: Computer Software, Data Analysis, Factor Analysis, Item Analysis, Probability, Rating Scales, Sample Size, Test Reliability, Test Validity
Publication Type: Journal Articles; Reports - Research; Numerical/Quantitative Data
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A