People have a better chance in life going off of intrinsic motivation that being give something.
I think that it is good to give grades because there are some people that if they do poorly on a test and it lowers their test then they see that lower grade and try to work harder the next time. 195 first full paragraph. This study was done by Anderson, manoogian, and Reznick in 1976. The litature that counters this above notion is on Pg.