Which of these is most common?

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

Psychologists are interested in ________

a. every aspect of human thoughts, feelings, and actions b. aspects of human behavior, but not human thought c. aspects of human thought, but not human behavior d. only major aspects of human thought and behavior