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Peer reviewed Peer reviewed
ERIC Number: EJ355053
Record Type: CIJE
Publication Date: 1987
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
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)
Descriptors: Mathematical Models, Rating Scales, Scoring, Statistical Studies, Transformations (Mathematics)
Publication Type: Journal Articles; Reports - Descriptive; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A