Table 2.

Reliability statistics and mean scores for ISMI & PSS-IBS

	Cronbach α*	Guttman Split-Half Coefficient†	Mean (SD)
ISMI (Entire Scale)‡	0.91	0.88	1.61 (0.53)
Alienation	0.86	0.84	2.00 (0.72)
Social Withdrawal	0.87	0.86	1.74 (0.67)
Stereotype Endorsement	0.76	0.80	1.33 (0.38)
Discrimination Experience	0.86	0.82	1.45 (0.55)
PSS-IBS (Entire Scale)§	0.95	0.76	2.08 (1.01)
Significant Others	0.93	0.92	2.30 (1.06)
Medical Providers	0.93	0.91	1.74 (1.09)

^*,†Measures of consistency and stability for overall scale score and each subscale. Standard acceptable cutoff is 0.70.

^‡Maximum score is 4.0.

^§Maximum score is 5.0.