Categories English The central model of the classical test theory is that observed test scores are to be composed of a true score and an arror score which are Post author By esimpk Post date December 9, 2021 A: Dependent B: Independent C: Relative D: Both b and c ← Mango stated that IRT and CRT enable to predict the outcomes of psychological tests by identifying parameters of → Generalizability theory was introduced in response to limitations of the