The answer is "openness-privacy dialectic".
Disclosure is one characteristic for relational connections. However, alongside the drive for closeness, we have a similarly essential need to keep up some space amongst ourselves as well as other people. openness-privacy dialectic alludes to the strain between the requirement for exposure and the requirement for mystery in a relationship.
As price falls, the law of demand says consumers will increase quantity demanded; the law of supply says producers will decrease quantity supplied. Thus, if price is above equilibrium the excess supply causes the price to fall.
Answer: Mr. Medeiros's approach can best be characterized as: TOKEN ECONOMY.
Explanation: Token economy can be defined as a system of behavior modification based on the principles of positive and negative reinforcement and positive and negative punishment. In this system of behavior modification, participants are rewarded with tokens for engaging in desirable activities. Tokens which are in turn used to purchase special privileges or meaningful objects..
'The Four Great Inventions of Ancient China' refers to paper, gunpowder, printing, and the compass. These four great inventions greatly promoted the development of China's economy, politics, and culture.
I believe the answer is biological.