From the prenatal period on, what grows first in the body?

Karen is trying to determine how long her 4-year-old daughter should sit in time-out for deliberately pouring her juice on the floor. If she uses the suggested estimate, her daughter will be in time-out for

15 minutes. 4 minutes. as long as it takes to clean up the juice spill. as long as she fails to exhibit remorse.

__________ proposed that cognitive development progresses through four stages, beginning with the sensorimotor stage and ending with formal operations

a) Barry Brazelton b) Lev Vygotsky c) Jean Piaget d) Erik Erikson