Revisiting Shyness and Sociability in Schizophrenia: A Psychometric Examination of Measurement Invariance and Mean Level Differences

Although there is a long and rich empirical history of demonstrating differences on psychological self-report measures between people with schizophrenia and healthy controls, the question of whether both groups respond to psychological measures in the same way has gone largely unexplored. That is, is there measurement equivalence, or invariance, across the samples? To our knowledge, there have been no published studies on measurement …