The use of multiple informants is common in assessments that rely on the judgments of others. However, ratings obtained from different informants often vary as a function of their perspectives and roles in relation to the target of measurement, and causes unrelated to the trait being measured. We illustrate the usefulness of a latent variable…

This paper describes the validation of actual and preferred forms of a new classroom environment instrument--the Technology-Rich Outcomes-Focused Learning Environment Inventory (TROFLEI)--using multitrait-multimethod modelling. The 80-item TROFLEI assesses 10 classroom environment dimensions: Student Cohesiveness, Teacher Support, Involvement,…