A study on volleyball players found that caffeinated chewing gum significantly improved attack accuracy compared to placebo. However, this did not improve results in jumping tests, running tests, and other volleyball specific-skills, including speed tests and accuracy during the volleyball serve mdpi.com Submitted by glawgii t3_zv1xrk on December 25, 2022 at 5:05 PM in science 40 comments 1,348
TargaryenPenguin t1_j1pn5vr wrote on December 26, 2022 at 11:12 AM It's because they had only 12 players in the test which is a pathetically small sample making it very unlikely that anything would be significant except by chance. Unfortunately this makes the study a waste of time. Permalink 1
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