MTMM: Mastering Psychological Construct Validity
The Multitrait-Multimethod Matrix: Assessing Construct Validity The Core Definition of the MTMM Matrix The Multitrait-Multimethod Matrix, often abbreviated as MTMM, is a rigorous psychometric technique designed to assess the construct validity of measurement instruments, particularly those used in psychology, education, and social sciences. At its core, the MTMM is a data organization strategy that requires […]