In Today's Business World,management Often Emphasizes Positive Reinforcement More Than

In today's business world,management often emphasizes positive reinforcement more than in the past.Which of your text's unifying themes does this illustrate

A)  Psychology is empirical. 
B)  Behaviour is determined by multiple causes. 
C)  Psychology evolves in a sociohistorical context. 
D)  People's experience of the world is highly subjective.