Tertiary circular reactions are witnessed during the _____ stage of cognitive development.
a. concrete operational
b. formal operational
c. sensorimotor
d. preoperational
I believe the answer is C. sensorimotor During the sensorimotor stage of Piaget's cognitive development, infants would start to focus on figuring out the relationship between their physical existence with the environment around them. This stage of cognitive development commonly happens since the infants are born until they're 1 years old.
