The Jouve-Cerebrals Crystallized Educational Scale (JCCES) has been thoroughly evaluated for its reliability and consistency. This large-scale study, involving 1,079 examinees, utilized both Classical Test Theory (CTT) and Item Response Theory (IRT) methods to analyze the scale’s performance and internal structure. Background The JCCES was developed to measure crystallized cognitive …
Burgoyne, Harris, and Hambrick’s (2019) study examines how individual differences, including cognitive ability, music aptitude, and mindset, influence the acquisition of piano skills among beginners. By focusing on individuals with little to no prior experience, this research offers insights into the early stages of learning a musical instrument. Background The …
Price, Mazzocco, and Ansari (2013) conducted a study to investigate the brain mechanisms involved in mental arithmetic and their connection to high school math performance. By examining brain activity during single-digit calculations, the researchers highlighted how specific neural patterns relate to mathematical competence, measured through PSAT math scores. This work …
Frank L. Schmidt’s 2011 article provides an in-depth examination of the observed differences between males and females in technical aptitude. The study attributes these differences to variations in experience and interest in technical domains rather than inherent differences in general mental ability (GMA). Through four predictive tests backed by a …
