Who is considered the developer of psychosocial theory?
a. Erik Erikson
b. Sigmund Freud c. Jean Piaget
d. Peter Blos
Question 2
Which of the following categorization tasks can be performed by infants who are about 18 months old?
a. Sorting insects into butterflies and bees
b. Sorting words into nouns and verbs
c. Sorting yellow triangles and human figures into two separate groups
d. None of these