This post examines findings from Chris Dawson’s research on the connection between cognitive ability and optimism bias in financial decision-making. Using data from over 36,000 individuals in the U.K., the study highlights how cognitive ability influences unrealistic optimism, particularly in financial expectations versus actual outcomes. Background Optimism bias refers to …
Anselmi, Robusto, and Cristante (2023) propose a novel approach to improving Computerized Adaptive Testing (CAT) by integrating unidimensional test batteries. This method aims to enhance both the accuracy and efficiency of ability estimation by dynamically updating prior estimates with each test response. Background Computerized Adaptive Testing has been a widely …
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 study by Xiao and Bulut (2020) evaluates how different methods for handling missing data perform when estimating ability parameters from sparse datasets. Using two Monte Carlo simulations, the research highlights the strengths and limitations of four approaches, providing valuable insights for researchers and practitioners in educational and psychological measurement. …
Frey and Detterman (2004) conducted an influential study examining the relationship between the Scholastic Assessment Test (SAT) and general cognitive ability (g). Their research sought to determine the degree to which SAT scores reflect g and assess the test’s potential use as a premorbid measure of intelligence. The findings provided …
