Study Finds Specific Cognitive Skills Predict Success at 30% to 57% of IQ’s Power
Updated
Updated · PsyPost · Jul 22
Study Finds Specific Cognitive Skills Predict Success at 30% to 57% of IQ’s Power
1 articles · Updated · PsyPost · Jul 22
Summary
Specific abilities such as technical knowledge, processing speed and math-verbal strengths predicted education, income and job prestige at 30% to 57% of the level of general intelligence, according to a new U.S. study.
18,922 participants from the 1979 and 1997 National Longitudinal Surveys of Youth were analyzed with factor analysis to separate general intelligence from three specific ability clusters and track later socioeconomic outcomes.
Sibling comparisons showed the links persisted within the same families, suggesting shared upbringing alone does not explain why distinct cognitive profiles align with different life outcomes.
Tech ability stood out: it boosted income early in adulthood, especially for men, but consistently predicted lower education and occupational prestige, while effects for speed and math-verbal skills varied across generations.
The authors said the study measures prediction, not causation, but argued the findings support education and career guidance that looks beyond a single IQ-style score.
Your IQ score matters less than you think. What specific skills will actually determine your future success?
As AI transforms the workforce, what new cognitive abilities will define success in the next generation?
Redefining Success: The Surprising Power of Specific Skills in Predicting Life Outcomes
Overview
In 2026, Edwards and DeYoung published groundbreaking research that changed how we understand what drives socioeconomic success. Their large, decades-long study followed over 10,000 people and found that specific cognitive skills—like working memory, processing speed, and spatial reasoning—play a major and independent role in predicting life outcomes. These skills contributed 30% to 57% of the predictive power of general intelligence. By carefully measuring a wide range of abilities and tracking real-world success, their findings move beyond a focus on IQ alone and offer a more complete picture of what shapes achievement.