Caffeine effect on PLE
Launay-Slade
Wilcoxon signed rank tests with continuity correction revealed that there were no significant effects of caffeine on any of the PLE scales: BPRS (V = 87, p = 0.63), MIS (V = 70.5, p = 0.91), and PAS (V = 96, p = 0.35), Launay-Slade (V = 5.5, p = 0.17) and SAPS (V = 91, p = 0.82). 