Table 4. Internal consistency and scale-level descriptive statistics for KID-PIN.

Scales	Number of items	M	SD	Score range	Observed range	Cronbach’s α
KID-PIN	20	23.03	19.67	0–80	0–72	0.92
Criterion B	5	7.57	6.36	0–20	0–20	0.83
Criterion C	2	3.66	3.27	0–8	0–8	0.89
Criterion D	7	6.80	7.15	0–28	0–28	0.80
Criterion E	6	5	5.32	0–24	0–21	0.73