About 65 Percent of Adults Over the Age of 20

Multiple Choice

About 65 percent of adults over the age of 20 are overweight. Based on what we know about operant conditioning, which of the following may contribute to the problem?

A) Eating is pleasurable for most people. (Positive reinforcement for eating happens immediately.)
B) Punishment (gaining weight) happens right away.
C) People watch how the people who eat junk food gain weight (observational learning) .
D) Eating is reinforced on a continuous scale which is prone to quick extinction.