My dissertation research explored responder behaviors (e.g., demonstrating response styles, carelessness, and possessing misconceptions) that compromise psychometric quality and impact the interpretation and use of assessment results. Identifying these behaviors can help researchers understand and minimize their potentially construct-irrelevant…

Diagnostic classification models (DCMs) classify examinees based on the skills they have mastered given their test performance. This classification enables targeted feedback that can inform remedial instruction. Unfortunately, applications of DCMs have been criticized (e.g., no validity support). Generally, these evaluations have been brief and…

Since elementary school counselors frequently provide or interpret achievement test scores for academic placement decisions, they must be vigilant for invalid data. Standardized norm-referenced achievement tests can underestimate achievement or potential of low-income black children because of different learning styles and test bias. Recent…