This can boost kids’ test scores. What is it?

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Answer: Exercise

Clues: “Jumping” and “Jacks”

Newsweek magazine says a new study by the University of North Carolina Greensboro reveals that just 9 minutes of pre-class exercise can improve a child’s test scores. Researchers found that high-intensity interval training had a significant impact on standardized test scores.  They had one set of children take a rest break at their desks while the second set did exercises. The exercising children scored an average of 8 points better than their inactive classmates. Exercises, like air squats and jumping jacks, were done in place without equipment.

Just 9 Minutes of Exercise Before Taking Tests Boosts Kids’ Scores – Newsweek