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Table 1 Internal reliability for modified perceived racism scale (PRS) in comparison with original PRS (Cronbach's alpha calculated across domains)

From: Measuring perceived racism and psychosis in African-Caribbean patients in the United Kingdom: the modified perceived racism scale

 

Alphas for combined student and community US sample (n = 214)

Alphas for student US sample (n = 110)

Alphas for community US sample (n = 104)

Alphas for UK sample (n = 110)

Frequency of exposure domains (pooled)

0.96

  

0.96

Frequency of exposure subscale responses (job/mental health services, over past year)

-

0.88

0.92

0.87

Frequency of exposure subscale responses (job/mental health services, over life)

-

0.92

0.93

0.85

Emotional responses (aggregated)

-

0.94

0.94

0.91