The article serves as a guide for researchers in developing evidence of validity using bivariate correlations, specifically construct validity. The authors outline the steps for calculating and interpreting bivariate correlations. Additionally, they provide an illustrative example and discuss the implications.

The special educator must be aware of possible sources of error in assessment of children with learning problems. Sources of error can be attributed to unconscious examiner bias, ambiguous test responses, linguistic and cultural differences of the examiner and examinee, previous test-taking experience, and problems with test reliability and…

This document discusses in depth the theoretical background of the Lexile Framework, which is based on the assumption that reading comprehension is the best predictor of success in higher education and job performance, and that it is the most tested construct in education. The first section defines measurement and differentiates between specific…