This paper presents the psychometric properties of a questionnaire measure that updates and extends Larrivee and Cook's (1979) Opinions Relative to Mainstreaming Scale in terms of structure, terminology, and language. The revised scale was tested using a sample of 106 teachers based in inclusive mainstream schools. Using Principal Component…

This manual makes accessible several widely used instruments for measuring perceptions of psychosocial characteristics of classroom environment among school students and teachers. Background information, scoring procedures, validation data, and preferred and short forms of the Learning Environment Inventory, My Class Inventory, Classroom…