Answer:
No one making fun of her
Explanation:
Operant conditioning is method of learning. it involves the use of reward and punishment for a particular behavior.
A Reinforcer is that particular action that increase the rate of occurrence of a particular behavior. there are positive and negative reinforcer.
Judy Ann due to the Positive reinforcer that no one is making fun of her after she included herself sitting with other student, She will want to sit more with other student so that no one will make fun of her