Growth Mindset Research: What Studies Show About Intelligence, Effort, and Learning

Growth mindset, the belief that intelligence and ability are malleable and can be developed through effort and effective strategies, was proposed by psychologist Carol Dweck as a key determinant of motivation and achievement. Contrasted with a fixed mindset, the belief that intelligence and ability are stable traits, growth mindset became one of the most widely cited and implemented ideas in education after Dweck's 2006 book Mindset brought her research to a broad audience. The research trajectory of growth mindset offers a case study in how psychological findings move from laboratory discovery to educational application, with lessons about what happens to effects when interventions are implemented at scale. Dweck's foundational research found consistent associations between mindset and academic outcomes in laboratory and school settings. Students who were induced to believe that intelligence is malleable showed greater persistence after failure, more challenge-seeking behavior, and better academic performance than those who were induced to believe that intelligence is fixed. Praise that attributed success to intelligence, which Dweck argued creates a fixed mindset, was associated with less challenge-seeking and worse performance after failure than praise that attributed success to effort or strategy, which was proposed to create a growth mindset. Subsequent research examined whether mindset interventions, brief exercises designed to shift students from fixed to growth mindset, could improve academic outcomes in real educational settings. Early intervention studies found positive effects on academic performance, particularly for students from lower-income backgrounds and those who faced stereotype threat, providing evidence that mindset could be changed through relatively simple exercises and that these changes had meaningful consequences. The scaling of growth mindset interventions produced more complex results. A large-scale study involving 65 middle schools across the United States, conducted by Yeager and colleagues and published in Nature in 2019, implemented a brief online growth mindset program with ninth-grade students. The study found a significant positive effect on grade point average for students at higher risk of underperformance, a result that was statistically significant and practically meaningful for an intervention that took less than an hour. However, the effects were absent for students with higher prior performance, and the intervention's effectiveness depended on whether schools had a supportive mindset climate. Other large-scale evaluations of growth mindset interventions have found smaller and less consistent effects than early smaller studies. A national evaluation in England found no significant overall effect on student achievement. A reanalysis and meta-analysis by Sisk and colleagues found that effect sizes from the growth mindset literature, when corrected for publication bias, are much smaller than those reported in individual studies, and that effects are consistently stronger for students facing adversity, suggesting that growth mindset may matter most when students face obstacles to their belief that effort is worthwhile. The implementation gap is a central issue in understanding why growth mindset interventions sometimes work and sometimes do not. Classroom and school environments that send fixed mindset messages through their practices, including ability grouping that signals to some students that they are not smart, feedback that emphasizes performance over learning, and competitive grading structures, may undermine the messages of mindset interventions. Research on the conditions that moderate growth mindset effects consistently finds that classroom and school context matters, and that brief mindset interventions cannot overcome chronically fixed-mindset environments. Criticism of growth mindset research has also pointed to the risk that an emphasis on effort can be used to blame students for failure rather than examining structural barriers to success. If students who are failing are simply told that they need to try harder, the school avoids examining whether instruction is effective, whether resources are adequate, or whether other structural factors are responsible for poor outcomes. Research on how growth mindset messages interact with structural inequality emphasizes that mindset alone cannot compensate for inadequate educational resources, and that growth mindset must be understood in context. The honest evaluation of growth mindset research supports the conclusion that beliefs about intelligence are relevant to how students respond to challenge and failure, that these beliefs can be shifted through intervention, and that for students facing specific challenges these shifts can improve academic outcomes. The evidence does not support the broader claims sometimes made in popular accounts that growth mindset is a universal solution to educational underachievement or that mindset interventions are reliably effective at improving outcomes across all student populations and school contexts.