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Table 1 Internal Consistencies (Cronbach’s alphas)

From: Self-reported psychopathy in the Middle East: a cross-national comparison across Egypt, Saudi Arabia, and the United States

  α
  US Egypt Saudi Arabia
Psychopathic Personality Inventory-Revised (PPI-R)
 Machiavellian Egocentricity (ME) .84 .72 .63
 Rebellious Nonconformity (RN) .85 .69 .60
 Blame Externalization (BE) .86 .72 .62
 Carefree Nonplanfulness (CN) .88 .65 .59
 Social Influence (SOI) .85 .45 .62
 Fearlessness (F) .87 .55 .60
 Stress Immunity (STI) .83 .51 .56
 Coldheartedness (C) .86 .72 .65
NEO-Five Factor Inventory (NEO-FFI)
 Neuroticism .86 .53  
 Extraversion .80 .59  
 Openness .71 .09  
 Agreeableness .81 .44  
 Conscientiousness .86 .64  
  1. Note. US N = 786. Egypt N = 296. Saudi Arabia N = 341. As described in the text, NEO-FFI data was not available on the Saudi Arabian sample