Accumulating evidence reveals that the relationship between heredity and the environment is

Which of the following is a TRUE statement regarded as evidence of primitive self-regulatory abilities among infants?

A) Within the first few months of life, infants can inhibit their first responses and resist interference. B) Within the first few months of life, infants are able to comply with simple requests from a caregiver. C) Within the first few months of life, infants can voluntarily initiate and stop their own behaviors. D) Within the first few months of life, infants will turn away from sources of strong stimulation.

Research evidence indicates that overreactivity of dopamine receptors may play ______

a. little or no role in either positive or negative symptoms of schizophrenia b. a greater role in the development of positive symptoms than negative symptoms of schizophrenia c. a greater role in the development of negative symptoms than positive symptoms of schizophrenia d. an equal role in the development of both positive and negative symptoms of schizophrenia