The correct answer is letter D. self-interest/competition. Economists Adam Smith and Thomas Malthus wrote that all players in the market are motivated by self-interest, yet regulated by competition.
Here are the choices.
<span> A. need/want
B. income/jobs
C. supply/demand
D. self-interest/competition</span>
Answer:B.token economies
Explanation:
Token economy refers to giving someone a reward with an aim of encouragement and enhancement of a desired behavior. This token economy comes in form of tokens , food, stickers and any other rewards that are meant to improve a positive behavior. Parents can use token economy and it is also used by teachers in schools to encourage good performance from teh students. The ideas of a token economy is to reinforce the positive behavior. Just as we see how Zack mom rewards him with stickers for cleaning his room and as a result he keeps cleaning his room consistently.
Through internet sources, it can found that the estimated number of illiterate by the year 2015 is about 781 million. This number is expected to grow high as we we approach the year 2017.
According to the research, of this estimate, 496 million or about two-thirds are women. Hence, the answer to this item is letter A. True.
Answer:
A) Bright lights will keep more students awake in class than dimmer lights.
Explanation:
Professor Boredom's hypothesis in this example is that<em> bright lights will keep more students awake in class than dimmer lights</em>. In this example, Professor Boredom is blaming sleepy students on lights. Lights are the independent variable that he can manipulate to find the number of sleepy students. The number of "sleepy students after the lecture" is according to Professor Boredom, the dependent variable that responds to the independent variable the "amount of light".
