When constructing measurement scales, regular and reversed items are often used (e.g., "I am satisfied with my job"/"I am not satisfied with my job"). Some methodologists recommend excluding reversed items because they are more difficult to understand and therefore engender a second, artificial factor distinct from the…

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,…

The purpose of this study was to investigate the Type I Error findings and power rates of the methods used to determine dimensionality in unidimensional and bidimensional psychological constructs for various conditions (characteristic of the distribution, sample size, length of the test, and interdimensional correlation) and to examine the joint…