ERIC Number: EJ355053
Record Type: CIJE
Publication Date: 1987
Reference Count: 0
Formulas for Equating Ratings on Different Scales.
Aiken, Lewis R.
Educational and Psychological Measurement, v47 n1 p51-54 Spr 1987
Formulas for transforming scores and statistics on a rating scale having any number of categories to a scale having a different number of categories are described. To illustrate the use of one of the formulas, the means and variances of items on six forms of a course evaluation questionnaire were compared. (Author/LMO)
Publication Type: Journal Articles; Reports - Descriptive; Reports - Research
Education Level: N/A
Authoring Institution: N/A