Research indicates that reciprocity norms are found in ____ human cultures; and that reciprocity norms are found in ____ non-human animals.
A) all; some (but not all)
B) all; no
C) some (but not all); some (but not all)
D) some (but not all); no

Question

Quizplus · Accepted Answer

Reciprocity norms are a universal aspect of human cultures, found in all societies studied. In non-human animals, reciprocity norms are observed in some species, but not universally across all species.

Research Indicates That Reciprocity Norms Are Found in ____ Human