In terms of our self-esteem measure, examining the instrument through the lens of Classical Test Theory (CTT) versus Item Response Theory (IRT) would yield d
In terms of our self-esteem measure, examining the instrument through the lens of Classical Test Theory (CTT) versus Item Response Theory (IRT) would yield different insights regarding its reliability and validity. From a CTT perspective, the focus is on total test scores and the assumption that each observed score is composed of a true score … Read more