Table 4: Discriminative concurrent criterion validity of the beck hopelessness scale among the student nurses (n = 438).

Variable	No (%)	Mean (SD)	P value	t value	Cohen’s d
GHQ-12 ≤ 2 GHQ-12 ≥ 3	247 (56.4%) 191 (43.6%)	1.58 (1.68) 7.18 (4.59)	< 0.001	-17.698	1.62
PHQ-9 ≤ 4 PHQ-9 ≥ 5	263 (60.0%) 175 (40.0%)	1.48 (1.38) 7.85 (4.36)	< 0.001	-22.084	1.97