Predictors of National Suicide Rates: A Reply to Voracek (2004, 2006, 2009)
Voracek (2004, 2006a, 2006b, 2009) reported that cognitive ability predicts national suicide rates, even after plausible controls. Yet, national IQs were not a significant predictor of suicide rates when regressed with indices of national religiousness and perceptions of personal health.