What is Piagets name for the stage of development that begins at the age of 2 years and ends at the age of 6 years and is characterized by use of symbols, egocentrism, and limits on the ability to reason logically?
a. formal operational stage
b. concrete operational stage
c. sensorimotor stage
d. preoperational stage
Question 2
Baby Asha is sitting on the floor when her older brother sits down next to her. He takes her favorite stuffed horse out of her hands, holds it up, and then puts it behind his back. Within just a few seconds, Asha begins to cry. Her brother hands her back the horse, which stops the crying, but he doesnt understand why she didnt just look behind his back for the toy. What would be the reason for this?
a. Asha is in Piagets formal operations stage of cognitive development and has not yet overcome centration.
b. Asha is in Piagets concrete operations stage of cognitive development and has not yet overcome conservation.
c. Asha is in Piagets preoperations stage of cognitive development and has not yet overcome egocentrism.
d. Asha is in Piagets sensorimotor stage of cognitive development and has not yet mastered object permanence.
The development of ancestral tetrapods.
Cortical Development
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
Face Development in the Womb
Indicators of Social Development
A timeline showing the development of genetics from Gregor Mendel’s work