A matched-pair experimental design can isolate moral principles from ingroup bias.

Evidence

Ukraine, an area of eastern Europe, had had its own culture, traditions, schools, laws, religion and language for many years until 1764, when it was forced to become part of the Russian state by Catherine the Great. The people of Ukraine never said they wanted to become part of Russia, and for many years an independence movement sought to make Ukraine independent. But also, during those years while it was part of Russia, it became an important part of the nation’s economy and political structure. Many national facilities and assets were placed there. Last year, the majority of people living in Ukraine voted, in a free election, to dissolve their ties with the rest of the USSR and become an independent, sov- Did Ukraine have the right to withdraw from the rest of the Soviet Union, once a majority of the people living there voted to do so? — Bob Altemeyer, The Authoritarian Specter, 1519

Categorization

• DEFINE: A deft research design: structurally identical scenarios differing only in group identity, isolating principle application from partisanship.
• XREF: connects to: Experimental and longitudinal designs are rare in quantitative radicalization research. — Lea Echelmeyer, Anne-Marie Slotboom, and Frank Weerman, The Putative Effect of Identity on…, 48; Moral typecasting theory divides targets into agents, patients, and neutral roles for experimental comparison — Kurt Gray and Daniel M. Wegner, Moral Typecasting: Divergent…, 141; The infrahumanization measure underlies the study design manipulating perceived impact. — Emanuele Castano, On the Perils of Glorifying the…, 42