Introduction: ideational allies psychology, constructivism, and international relations / Vaughn P. Shannon -- Completing the ideational triangle: identity, choice, and obligation in international relations / Paul A. Kowert -- How identities form and change: supplementing constructivism with social psychology / Deborah Welch Larson -- Norms and the management of identities: the case for engagement between constructivism and the social identity approach / Jodie Anstee -- Identity and decision making: toward a collaborative approach to state action / Asli Ilgit and Binnur Ozkececi-Taner -- Re-constructing development assistance: analogies, ideas, and norms at the dawn of the new millennium / Marijke Breuning -- Agent-level and social constructivism: the case of the iran hostage crisis / David Patrick Houghton -- Determinants of security and insecurity in international relations: a cross-national experimental analysis of symbolic and material gains and losses / Peter Hays Gries, Kaiping Peng, and H. Michael Crowson -- Psychology and constructivism: uneasy bedfellows? / Rose McDermott and Anthony Lopez -- Conclusion: context and contributions of the ideational alliance / Paul A. Kowert.