ERIC Number: EJ314664
Record Type: CIJE
Publication Date: 1985
Reference Count: 0
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)
Publication Type: Journal Articles; Reports - Research; Numerical/Quantitative Data
Education Level: N/A
Authoring Institution: N/A