TABLE 1.

Internal Consistency and Stability Estimates

Variable	Internal Consistency α Wave 1/Wave 2	Stability over time ICCs (CI)
Section Scores
Affect	.82/.70	.51(.43–.58)
Cognition	.51/.57	.35(.25–.44)
Impulse Action Patterns	.54/.51	.63(.56–.69)
Interpersonal Relationships	.74/.71	.44(.35–.52)
Scaled Section Scores
Affect	—	.38(.29–.46)
Cognition	—	.29(.20–.38)
Impulse Action Patterns	—	.45(.38–.53)
Interpersonal Relationships	—	.27(.18–.35)
Item-Based Section Scores
Affect	.90/.85	.56(.49–.63)
Cognition	.78/.76	.44(.35–.52)
Impulse Action Patterns	.76/.71	.66(.60–.71)
Interpersonal Relationships	.82/.79	.56(.49–.63)

Note. ICCs = intraclass correlation coefficients; CI = 95% confidence interval