 This hypothesis, which is based on the "savanna principle", proposes that more intelligent individuals are more likely to engage in evolutionarily novel behaviors and believe in values that promote greater desire for novelty, such as political liberalism.It has been criticized for allegedly being unfalsifiable and for making contradictory predictions.In response to Kanazawa's subsequent paper that attempted to integrate evolutionary psychology with intelligence research using the Savanna-IQ interaction hypothesis, psychologists Scott Barry Kaufman, Colin G. DeYoung, Deirdre Reis, and Jeremy R. Gray found that "performance on non-arbitrary, evolutionarily familiar problems is more strongly related to general intelligence than performance on arbitrary, evolutionarily novel problems" after providing 112 subjects a 70-item computerized version of the Wason selection task in a social relations context originally proposed by Leda Cosmides and John Tooby in "The Adapted Mind", contradicting Kanazawa's assertion that general intelligence correlated only with performance on evolutionarily unfamiliar rather than evolutionarily familiar problems.