The current paper on writing assessment surveys the literature on the reliability and validity of essay tests. The paper aims to examine the two concepts in relationship with essay testing as well as to provide a snapshot of the current understandings of the reliability and validity of essay tests as drawn in recent research studies. Bearing in…

Increasing social awareness of the need for accurate and fair testing has combined with technological developments to produce dramatic advances in psychometric models, methods, and procedures. Three of the most important new directions within the measurement field concern the following areas: (1) item response theory; (2) item bias or differential…