Table 4. Verification of homogeneity between the experimental and comparison groups

M SD t(p)
DI & PSS EG 3.39 0.41 .803(.426)
CG 3.29 0.48
JE EG 3.92 0.24 .133(.510)
CG 3.96 0.19
TT EG 4.08 0.36 .764(.746)
CG 4.05 0.35
*EG: experimental group, CG: control group.