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 study explored the possibility of using the Multi-Trait Multi-Method (MTMM) approach of D. Campbell and D. Fiske (1959) to examine the educational ecology of classrooms. Using the MTMM approach, the study focuses on the extent to which multiple methods of inquiry (surveys, drawings, and videos) are valid indicators of classroom teaching and…