Leifeng Xiao and Kit-Tai Hau’s article, “Performance of Coefficient Alpha and Its Alternatives: Effects of Different Types of Non-Normality,” examines how coefficient alpha and other reliability indices perform under varying conditions of non-normality. The study offers critical insights into how these measures behave across different data structures, providing useful recommendations …
This review focuses on the work of Keuschnigg, van de Rijt, and Bol (2023), who explore the relationship between cognitive ability and success in high-income and high-prestige occupations. Their findings challenge the assumption that the highest earners consistently display exceptional cognitive ability, offering new insights into how social factors and …
The Wechsler Intelligence Scale for Children-Fifth Edition (WISC-V) has been widely used to assess cognitive abilities in children. This article by Peter F. de Jong evaluates the validity of interpreting WISC-V profiles of strengths and weaknesses, which are often derived from differences between overall scores and index scores. Background The …
