[Retracted] Stress-Relieving Video Game and Its Effects: A POMS Case Study

Table 10

Mean and SD and Population SD (before and after).

POMS overall changes	Mean	Standard deviation (SD)	Population standard deviation	Z-scores (distribution of X)	P-values (%)
Before	82	±27.71	±27.25	232.52	21.44
After	41	±26.06	±25.63	46.93	6