- Sule Alan
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We show that grit, a skill that has been shown to be highly predictive of achievement, is malleable in childhood and can be fostered in the classroom environment. We evaluate a randomized educational intervention implemented in two independent elementary school samples. Outcomes are measured via a novel incentivized real effort task and performance in standardized tests. We find that treated students are more likely to exert effort to accumulate task-specific ability, and hence, more likely to succeed. In a follow up 2.5 years after the intervention, we estimate an effect of about 0.2 standard deviations on a standardized math test.
We study the effect of elementary school teachers’ beliefs about gender roles on student achievement. We exploit a natural experiment where teachers are prevented from self-selecting into schools, and conditional on school, students are allocated to teachers randomly. We show that girls who are taught for longer than a year by teachers with traditional gender views have lower performance in objective math and verbal tests, and this effect is amplified with longer exposure to the same teacher. We find no effect on boys. We show that the effect is partly mediated by teachers transmitting traditional beliefs to girls.
We evaluate the impact on competitiveness of a randomized educational intervention that aims to foster grit, a skill that is highly predictive of achievement. The intervention is implemented in elementary schools, and we measure its impact using a dynamic competition task with interim performance feedback. We find that when children are exposed to a worldview that emphasizes the role of effort in achievement and encourages perseverance, the gender gap in the willingness to compete disappears. We show that the elimination of this gap implies significant efficiency gains. We also provide suggestive evidence on a plausible causal mechanism that runs through the positive impact of enhanced grit on girls’ optimism about their future performance.
We evaluate the impact of a randomized educational intervention on children’s intertemporal choices. The intervention aims to improve the ability to imagine future selves, and encourages forward-looking behavior using a structured curriculum delivered by children’s own trained teachers. We find that treated students make more patient intertemporal decisions in incentivized experimental tasks. The results persist almost 3 years after the intervention, replicate well in a different sample, and are robust across different experimental elicitation methods. The effects also extend beyond experimental outcomes: we find that treated students are significantly less likely to receive a low “behavior grade”.