Clock is a circadian gene; it was discovered in

Stereotype threat may lead to

A) anxiety. B) physiological responses from threatened individuals. C) improved test performance. D) poorer test performance. E) all of these.

The ________ approach says that the emergence of social smiling results from factors ranging from genetic activity to the social environment

a. developmental systems b. traditional nature–nurture c. polygenetic inheritance d. segregating gene