This is an example of negative reinforcement.
Her mother scolded her every time Jane bit her nails - so Jane learned that every time she bites her nails, she is going to be scolded sternly by her mother. In order to avoid that, she stopped biting her nails, and thus the reinforcement was successful.
Communism is an economic system where the group owns the factors of production. In countries, the government represents the group.
I'm sorry I thought I knew the answer sir.
Answer:
A. The words "good dog"
Explanation:
In this case, we know that the primary reinforcer is the treat. The dog is gaining an immediate reward for doing what you wanted it to do. But even after it, you also praise the dog. This praise is the secondary reinforcement. The secondary reinforcement will allow the trainer to deliver reinforcement even if the dog is not hungry, which might cause problems if you only use the primary reinforcement.