Intelligence is not a single ability. One of the most important distinctions in cognitive science — and one that affects everything from how IQ tests are designed to how cognition changes with age — is the difference between fluid and crystallized intelligence. Understanding this distinction is essential for interpreting test …
Exploring the Underlying Dimensions of Cognitive Abilities: A Multidimensional Scaling Analysis of JCCES and GAMA Subtests
Abstract This study aimed to investigate the relationships between tasks of the Jouve Cerebrals Crystallized Educational Scale (JCCES) and General Ability Measure for Adults (GAMA) using multidimensional scaling (MDS) analysis. The JCCES measures Verbal Analogies, Mathematical Problems, and General Knowledge, while the GAMA assesses nonverbal cognitive abilities through Matching, Analogies, …