Graham,Koo,and Wilson (2011)asked Students to Track the Number of Miles

Graham,Koo,and Wilson (2011) asked students to track the number of miles they avoided driving on a website.Those who were keeping track

A) drove more than those who were not keeping track.
B) drove less only if they were also told how much money they had saved on gas.
C) drove less only if they were told about the savings in air pollution.
D) drove less especially when given feedback about financial savings and reduction in air pollution.
E) drove less only if they had intrinsic motivation to reduce driving.