The objectives in this research were to determine the construct validity of both an adapted self-confidence questionnaire, the Personal Evaluation Inventory (PEI), developed by Shrauger and Schohn, and a Generalised Anxiety Disorder (GAD) questionnaire, which was adapted from the Taylor Manifest Anxiety Scale. The research was conducted in two…

Data were collected about 95 fourth-grade and fifth-grade children from three sources (teachers, parents, and children) on four constructs related to aggression (proactive aggression, reactive aggression, callous-unemotional traits, and anger dysregulation) by using a multitrait-multimethod design. Two goals were addressed through a…

Triangulation -- a combined use of different assessment methods or sources to evaluate psychological constructs -- is still a rarely used assessment approach in spite of its potential in overcoming inherent constraints of individual assessment methods. This paper uses field test data from a new OECD Study on Social and Emotional Skills to examine…

Many recent studies have aimed to demonstrate that specific types of reading comprehension depend on different underlying cognitive abilities. In these studies, it is often implicitly assumed that reading comprehension is a multidimensional construct. The general aim of this study was to examine the dimensionality of a large pool of reading…