Which of the following statements about Jean Piaget is NOT true?

A. Piaget developed a model of cognitive development which holds that children’s thinking progresses through a series of orderly stages.
B. According to Piaget, the sensorimotor stage extends from approximately 2 to 7 years of age.
C. Piaget regarded the child in the sensorimotor stage as acting to learn about itself and its relations to the environment.
D. Piaget believed that children learn by doing.

Which of the following statements is true in language development?

A. In their first few months of life, infants can discriminate among sounds in foreign languages that are not used in their own community
B. In their first few months of life, infants can only discriminate among sounds in the language of their own community
C. Towards the end of our teens, we begin to lose our sensitivity to phonetic contrasts in languages other that one(s) we learned as children
D. Language acquistion is complete by about age 4

Which of the following assertions about social development is ?

A. The development of the two aspects of social selectivity-attachment and wariness of strangers-are cosely related in onset and development significance
B. According to Powlby through the course of the first attachment the infant begins to formulate an internal working model of what a relationship involves.
C. Through forming attachment the infant minimizes opportunities for nurturing and protection
D. Many social developmentalists believe that the formation of attachments is a vital aspect of early relations.