The impostor phenomenon (IP), or erroneous cognitions of intellectual incompetence, is a risk factor for poor psychological adjustment among Black emerging adults. Grounded in Lazarus and Folkman's Stress and Coping Framework, the current study investigated John Henryism's active coping and institutional racial composition as moderators of the association between IP and indicators of psychological well-being among 266 Black students (77% women; M age = 19.87) attending predominately White institutions (PWIs) and historically Black colleges/universities (HBCUs). Hierarchical moderation regression analyses revealed that IP was associated with decreases in well-being indicators among students attending PWIs and HBCUs. Moreover, students who attended PWIs and reported higher levels of John Henryism (+1 SD) were most vulnerable to increases in social anxiety, particularly at higher levels of IP. Results suggest that the interaction between IP, John Henrysim, and institutional racial composition may negatively influence psychological well-being. We discuss how these findings can be used to inform clinical and educational practices to best support Black college students.
Keywords: Black Americans; John Henryism; emerging adults; impostor phenomenon; mental health.