The researcher focused on the value created by the powerless and the powerful people using an experimental research design to establish the research. The researcher focused on the value created by the powerless and the powerful people using an experimental research design to establish the research. The second research, "Effects of group-discussion integrative complexity on intergroup relations in a social dilemma" (Chun, Brockner & De Cremer, 2018) highlight the causes of intergroup conflict.