Many Parenting Books, Dog Training Manuals, and Business Management Approaches

Many parenting books, dog training manuals, and business management approaches all advocate the use of operant conditioning techniques to encourage desirable behaviour in children, pets, and employees. The widespread knowledge of, and application of conditioning techniques, reflects the unifying theme in psychology that

A) behaviour is determined by multiple causes.
B) psychology evolves in a socio-historical context.
C) heredity and environment jointly influence behaviour.
D) our behaviour is shaped by our cultural heritage.