Research by Psychologists Examining Cultural Differences in IQ and the Suggested

Multiple Choice

Research by psychologists examining cultural differences in IQ and the suggested causes of these differences has,at times,been controversial largely because of the political and educational implications of the research.Which unifying theme in psychology does this statement reflect

A)  Behaviour is determined by multiple causes. 
B)  Heredity and environment jointly influence behaviour. 
C)  Psychology evolves in a sociohistorical context. 
D)  Psychology is theoretically diverse.