Characteristics of the Preliminary IPIP Scales Measuring the Constructs in Gray's Behavioral Inhibition and Activation Systems (BIS/BAS: Carver & White, 1994)
SCALE	Number		Mean Item		Coefficient
	of Items		Intercorrelation		Alpha		Correlation
	IPIP	BIS/BAS	IPIP	BIS/BAS	IPIP	BIS/BAS	IPIP vs. BIS/BAS
BIS [Anxiety]	10	7	.34	.31	.84	.76	.69 [.86]
BAS/Fun-seeking	10	4	.28	.27	.79	.60	.63 [.92]
BAS/Drive	10	4	.26	.42	.77	.74	.54 [.72]
BAS/Reward-responsiveness	6	5	.27	.32	.68	.70	.41 [.59]

-----------------------------------------------------------------------------------------------------------------------

Note. Values in brackets are the correlations between the corresponding IPIP and BIS/BAS scales when corrected for scale unreliabilities.

Carver, C. S., & White, T. L. (1994). Behavioral inhibition, behavioral activation, and affective responses to impending reward and punishment: The BIS/BAS scales. Journal of Personality and Social Psychology, 67, 319-333.

Return to Multiple Constructs