The richest people are the smartest people, and people who reach the top of professional hierarchies do so because of cognitive ability. Both claims are widely held and both are, the recent research suggests, only partly true. A 2023 study by Marc Keuschnigg, Arnout van de Rijt, and Thijs Bol …
When a child’s WISC-V shows uneven index scores — say, a Verbal Comprehension Index of 115 and a Working Memory Index of 95 — clinicians, parents, and schools often interpret the gap as a real cognitive profile: “she’s a verbally strong kid with weaker working memory.” Two of the strongest …
