JASP Analysis Files for Caffeine Gum and Volleyball Performance Study

This repository contains the JASP analysis files generated for the study titled “Acute Effects of Caffeine Gum Use on Volleyball Performance: Single- and Partial-Dose Comparison”. The files include the statistical analyses for attack efficiency, block efficiency, defense efficiency, heart rate, vertical jump height, and rating of perceived exertion in national-level female volleyball players who completed placebo gum, single-dose caffeinated gum, and partial-dose caffeinated gum conditions in a randomized crossover design.