Introduction: Self-regulation is the ability to adequately plan and manage one's own behavior in a flexible manner. It is a predictor of well-being, health, academic performance, among others. The psychometric characterization of the Self-Regulation Questionnaire-Abbreviated (CAR-abr.) composed of 17 items is presented. A versatile instrument,…

Many test developers try to ensure the content validity of their tests by having external experts review the items, e.g. in terms of relevance, difficulty, or clarity. Although this approach is widely accepted, a closer look reveals several pitfalls need to be avoided if experts' advice is to be truly helpful. The purpose of this paper is to…

This article presents the author's response to Paul E. Newton's paper titled "Clarifying the Consensus Definition of Validity" ("Measurement: Interdisciplinary Research and Perspectives," 2012). Newton's paper offers an interesting and constructive discussion about how people think about validity. In this reaction, the author comments on some of…

Although problem-based learning (PBL) has been widely used in medical schools, few studies have attended to the assessment of PBL processes using validated instruments. This study examined reliability and validity for an instrument assessing PBL performance in four domains: Problem Solving, Use of Information, Group Process, and Professionalism.…

This focus article provided the author with an opportunity to unpack the consensus definition of validity and to explore its implications in the light of recent debates. He proposed an elaboration of the consensus definition, which was intended to express the spirit of the "Standards for Educational and Psychological Testing" with increased…