Drawing on the framework of interpersonal acceptance-rejection theory (IPARTheory), this special issue edited by Ronald P. Rohner, Sumbleen Ali, and Jennifer E. Lansford explores forgiveness and vengeance within the context of the Muslim world. Examination of the precursors of forgiveness and vengeance holds significance because vengeance typically correlates with adverse physical and psychological health outcomes. We suggest ways to advance research outlined in the special issue, such as assessing cross-cultural invariance and using diverse research designs. Moreover, increasing the diversity of socioeconomic status in studies conducted in the Muslim world and exploring hypotheses in high-income countries are necessary for contextually nuanced research. Overall, this special issue offers valuable insights into the dynamics of forgiveness and vengeance and highlights the role of culture and gender on psychological well-being across diverse contexts.
Keywords: Interpersonal acceptance-rejection theory (IPARTheory); Muslim world; forgiveness; parent-child relationships; vengeance.