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. 2013 May 1;8(5):e62593. doi: 10.1371/journal.pone.0062593

Table 1. Multiple regression analyses tested for the effects of ethnicity (coded as white vs. all other ethnic groups) on RAT problem-solving performance.

Analysis Beta Coefficient t-value p-value
Main Effect B = −.199 t(72) = −1.273 p = .208
Ethnicity × Affirmation B = .216 t(72) = 1.101 p = .275
Ethnicity × PSS B = .234 t(72) = 0.975 p = .333
Ethnicity × Affirmation× PSS B = −.386 t(72) = −1.713 p = .092

Notes: PSS = Perceived Stress Scale Composite Variable; Affirmation = Self-affirmation vs. Control.