School kindness experiment: 2,300 kids tested for better behavior
NCT ID NCT05891067
First seen May 16, 2026 · Last updated May 16, 2026
Summary
This study looked at whether a classroom-based program can make children more prosocial—meaning more helpful, cooperative, and kind. Over 2,300 children in grades 5-8 (ages 8-12) took part. Researchers measured changes in behavior, social skills, and classroom climate using surveys and peer nominations. The goal was to see if the program works better than the usual classroom approach.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Utrecht University
Utrecht, Utrecht, 3584CS, Netherlands
Conditions
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