Thomas and Chess (1956)assessed Infants on Which of the Following

Thomas and Chess (1956) assessed infants on which of the following qualities,among others,to create their categories of temperament?

A) activity level, adaptability, intensity of reaction, and quality of mood *See Table 4.2
B) psychosocial dynamics, physiological responses, anxiety level, and adaptability
C) irritability, quality of mood, attachment style, and psychosocial dynamics
D) attachment style, physiological responses, anxiety level, and irritability