Both Robert Sternberg and Howard Gardner developed information-processing models of

Piaget suggested that the most important cognitive acquisition of the infancy period of cognitive development is the ability to form mental representations of absent objects—those objects with which the infant is not in direct sensorimotor contact

This ability is called a. object permanence. b. centration. c. assimilation. d. accommodation.

Macronutrient malnutrition is due to poverty and famine. In micronutrient malnutrition,

however, ________________________ appears to be the main cause. a. social class b. lack of knowledge ofgood nutritional practices c. language differences d. economic class