If a rat receives a single painful stimulus from a small object in a test box containing commercial bedding material, the rat will usually investigate the object and then

Observation of which of the following children is the most likely to provide a researcher with the most accurate long-term prediction of temperament?

A) Quinn, a newborn B) Ava, age 12 months C) Samantha, age 18 months D) Tyson, age 3

Compared to his Western agemates, Chao, who lives in China, will most likely describe himself by referencing his

A) individual interests. B) personal attributes. C) academic and sports-related skills. D) group memberships and relationships.