Two recent studies have found that punishment is not the best way to influence behavior.

One showed that adults are much more cooperative if they work in a system based on rewards. Researchers at Harvard University in the United States and the Stockholm School of Economics in Sweden did the study.

They had about two hundred college students play a version of the game known as the Prisoner’s Dilemma. The game is based on the tension between the interests of an individual and a group. The students played in groups of four. Each player could win points for the group, so they would all gain equally. But each player could also reward or punish each of the other three players. Harvard researcher David Rand says the most successful behavior proved to be cooperation. The groups that rewarded the most earned about twice as much in the game as the groups that rewarded the least. And the more a group punished itself, the lower its earnings. The study appeared last month in the journal Science.

The other study involved children. It was presented last month in California at a conference on violence and abuse(虐待). Researchers used intelligence tests given to two groups. More than eight hundred children were aged two to four the first time they were tested. More than seven hundred children were aged five to nine. The two groups were retested four years later, and the study compared the results with the first test. Both groups contained children whose parents used physical punishment and children whose parents did not.

The study says the IQs of the younger children who were not spanked were five points higher than those who were. In the older group, the difference was almost three points. The more they are spanked, the slower their mental development.

1.Which of the following is TRUE according to the second study?

A. Children’s IQs have much to do with physical punishment.

B. The study is about violence and cooperation of children.

C. The children tested were divided into groups of four.

D. Children’s mental development only relies on their IQs.

2.What does the underlined word “spanked” refer to?

A. punished B. blamed

C. tested D. praised

3.What might be the best title for the text?

A. The Best Way to Correct Misbehavior

B. Punishment Is the Best Way of Education

C. Cooperation Is the Most Successful Behavior

D. Punishment or Reward: Which Works Better on Behavior?

Teens have a busy morning schedule as they need to wake up and get moving very early in order to catch a bus and get to school by the required time.This means teens need to get their rest the night before or they will be too tired to learn anything at school.1.

When a teen falls asleep in class,two things happen: he/she misses what is being taught and he/she loses the respect for the teacher.He/She may also receive a consequence from the school,depending on the classroom discipline policy.2.

To prevent your teen from being sleepy in class,try these three tips:

*Set a time for "lights out" on school nights.This is never be any later than 10 p.m. and preferably 9 p.m.3. Soft music can be on and used to help calm your teen.

*Help your teen develop a night-time routine that involves activities that slow them down for the end of the day. 4.Turning off the computer and disconnecting from friends and the excitement of the day an hour before bedtime will also help your teen relax.

*5.This will reinforce(增强)what it feels like to be rested and capable of accomplishing what he/she wants.

A.Taking a bath and reading are two activities that work well.

B.What's worse,they may even fall asleep in class.

C.All of these things affect your teen's academic success and can be avoided.

D."Lights out" means the computer,television,lights and cell phone should be off.

E.While your teen keeps his/her goals in line with your expectations,he/she may have his/her own goals.

F.Set a good example and show him/her your love for learning.

G.Point out the positives after your teen has had a good night's rest.

How Helping Others Helps You

Volunteering has a positive effect on your community.1. Volunteering can help you learn more about yourself and even put you on a path to your future career. Learn more about the reasons to volunteer below.

Gain valuable life experiences and skills.

Whether you build houses for the homeless or mail flyers for a local politician, you can experience the real world through hands-on work. 2.

Meet interesting people.

3.No matter what groups of people you’re working with, you’ll find that they have information and ways of looking at the world that can broaden your horizons.

Get academic credit.

Some high schools offer academic credit for volunteer work through service learning. 4.To find out if your school offers service learning, talk to your school counselor.5.

It’s eye-opening(令人瞠目的) to realize that doing even small things can have a big impact on others. Rhea, a college sophomore(大二学生), still remembers a visit she made to a senior home with a choir when she was in middle school. “An elderly man in a wheelchair looked up at me and said in a gravelly(粗哑的) voice, “You’ve made my day. This means so much.”She recalls, “No one had ever thanked me in such a way for doing something so small, and a stranger no less!”

A. Make a difference.

B. It’s good for you too.

C. It can help you learn more about yourself.

D. Giving back to your community is valuable in itself.

E. And you can explore your major or career interests at the same time.

F. It’s a program that offers hands-on learning through service to the community.

G. Both the people you are helping and your fellow volunteers can give you new understanding.

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