C. D. Navarrete et al., “Fear Extinction to an Out-group Face: The Role of Target Gender,” Psych Sci 20 (2009): 155; J. P. Mitchell et al., “Contextual Variations in Implicit Evaluation,” J Exp Psych: General 132 (2003): 455; последняя работа касается сравнения политиков и спортсменов.