Troy believes that exercise contributes to positive selfesteem. If Troy formed this attitude through operant conditioning, which of the following situations is most likely? a) He drives by a local...

Troy believes that exercise contributes to positive selfesteem. If Troy formed this attitude through operant conditioning, which of the following situations is most likely?
a) He drives by a local gym every morning and sees goodlooking, happy people.
b) He exercises on a daily basis, consistently doing the

same workout on his treadmill.
c) He began exercising and is pleased that he can now

buy jeans in a smaller size.
d) His parents routinely exercise and encourage him to

do the same