Test validity refers to the degree to which the inferences based on test scores are meaningful, useful, and appropriate. Thus, test validity is a characteristic of a test when it is administered to a particular population. This article introduces the modern concepts of validity advanced by S. Messick (1989, 1996, 1996). Traditionally, the means of…

This digest discusses the difficulty of assessing the speech and language of culturally and linguistically diverse students and recommends strategies for identifying communication disorders. It begins by reviewing what qualifies as a communication disorder, discussing the limitations of speech and language tests, and outlining test considerations.…