Think back to the "pleasurable outcome question at the beginning of this chapter. You should now realize that that question was really asking about reinforcement. What type of reinforcement worked best for you when you were in grade school? Positive or negative? Did this change in high school?

Explanation:

In the 1970's, fear was the reinforcement of not passing a class, or not passing on to the next level of school. in my time, the fear of not passing to the next grade would make you look like your not intulectllualy equal to classmates...

answer; ///i believe that it means; ///you pay no customs duty on the chocolates;

do all equestions have to be answered