Which one of the following behavior do you think require morebravery？
1. propose an opinion which was different from teacher in class2. admit your mistake to someone
3. stand up for an idea different from your friends
Which university would you choose？
1. provide specialized courses from the beginning
2. take the courses that including several fields at first and then chooseI your specialization.
cancel weekly programs
not sO many people watch it can produce other content onlineẞJ E： disappointed
1： produce other materials. For example， judging thecoffee in restaurant and tell students which one is better. J
2： make other programs which require more equipment. But it can also help students learn more.
commitment and consistency principle
People may hesitate to make decisions， but once they had made a decision， there exited great chance that theywould follow their own choice in other things.
a professor received a call from an environment group asked to sign in a petition in a campaign to protect theenvironment . The professor admitted. After a month，the group asked the professor to donate the professor donated 10 dollars. The third time， thegroup asked the professor to volunteer the campaign toclear the parks and plant the flowers. Of course theprofessor admitted.
The man didn＇ t have a desk， so he decided to buy a second hand desk. But he didn＇ t have enough money and the sellerwouldn＇ t discount or allow to pay installment.