As shown in Figure 4 , the post hoc analysis show that the reaction time (for alerting score) of the control group had increased from pre-test and post-test, and the difference was approaching to but not quite statistically significant [Adjusted Mean pre (SE)=16.51 (3.36); Adjusted Mean post (SE)=22.34 (3.00), p=0.11]; on the contrary, the reaction time (for alerting score) of the experimental group significantly decreased from pre-test to post-test [Adjusted Mean pre (SE)=27.08 (3.32); Adjusted Mean post (SE)=19.34 (2.97), p =0.04] with a medium effect size (Cohen’s ƒ =0.32).
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The Effects of Using a Nature-Sound Mobile Application on Psychological Well-Being and Cognitive Performance Among University Students.
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