Table 3.

Construct discriminative validity analysis.

Construct	USC	DSC	PTA	CT	ST	DT
USC	0.884
DSC	0.049	0.904
PTA	0.790	0.185	0.926
CT	0.701	0.130	0.786	0.909
ST	0.653	0.206	0.724	0.743	0.864
DT	0.449	0.184	0.404	0.371	0.425	0.923

USC, upward social comparison; DSC, downward social comparison; PTA, parental tutoring anxiety; CT, confirmation type; ST, structured type; DT, discovery type.