A major new synthesis of West Point admissions data finds that personality traits, especially conscientiousness, are the strongest predictors of cadet leadership performance, outstripping cognitive ability in forecasting who will lead effectively. The analysis draws on decades of data covering the academy’s intake and subsequent achievements, amounting to 29,102 cadets graduating from classes between 1949 and 2022.
West Point’s admissions process is highly structured, weighing cognitive abilities, physical fitness and non-cognitive traits. The modern system uses a composite Whole Candidate Score that combines academic ability, leadership potential and physical ability to form a comprehensive profile of a candidate.
Cadet progress is tracked in three domains: Academic Performance Score (grades in core coursework), Military Performance Score (summer trainings and leadership ratings) and Physical Performance Score (physical education marks and fitness tests).
To understand the psychological elements of success, researchers rely on the Five-Factor Model of personality, which includes openness, conscientiousness, extraversion, agreeableness and neuroticism. The study also considers grit and hardiness, two concepts commonly discussed in military psychology.
Researchers Benjamin J. Elliott and Nathan R. Kuncel of the University of Minnesota conducted a meta-analysis to synthesise findings across multiple studies, aiming to quantify how well different cognitive and non-cognitive variables predict cadet outcomes. They gathered data from 15 published and unpublished sources, representing 21 independent samples.
The team pooled data from the cadet population and applied corrections to account for measurement reliability and range restriction arising from the academy’s selective admissions. The analysis mirrors real-world conditions where admitted cadets typically demonstrate higher test scores and fitness than the general population.
The results show cognitive predictors align with classroom success: standardized test scores and high school class rank are strongly associated with academic achievement. However, these traditional cognitive measures show a much weaker relationship with military leadership performance, and are nearly unrelated to physical outcomes, save for a small positive link with math scores that researchers suggest could reflect a broader pattern of disciplined effort.
Among non-cognitive traits, conscientiousness stands out as the most powerful predictor of leadership performance. Cadets with higher conscientiousness tend to perform better across academic and physical domains as well, suggesting a cohesive set of self-discipline and goal-directed behaviours that align with the academy’s strict standards.
By contrast, other major personality traits—extraversion, openness, agreeableness and neuroticism—show little to no relationship with leadership ratings. Grit exhibits only a modest association with leadership, and hardiness appears to have a very weak link with leadership outcomes.
The researchers argue that conscientiousness may underpin the ability to navigate the demanding, rule-bound environment of a military academy, fostering behaviours that leaders commonly model and expect from peers.
They propose that selection systems could benefit from explicitly incorporating measurements of conscientiousness. While cognitive measures like the SAT excel at predicting classroom success, they miss critical elements related to leadership. Adding personality assessments could help admissions offices identify candidates with a broader blend of skills needed for complex leadership roles.
The study notes several limitations, notably its reliance on self-reported personality assessments, which can be influenced by social desirability bias in competitive admissions contexts. The authors suggest future research could use observer-based assessments from teachers, coaches or peers, or implement forced-choice formats to reduce manipulation.
Further research could also explore how these admission variables relate to outcomes long after graduation by tracking junior officers as they advance, to determine whether traits associated with success at West Point predict long-term occupational achievement. Linking pre-commissioning data with career milestones could reveal the best mix of traits for leadership in demanding operational environments.
The work is titled Brain, personality, and leadership: A meta-analysis of performance predictors among West Point cadets and is authored by Benjamin J. Elliott and Nathan R. Kuncel.
