The negative reinforcement is the pressure from her family and friends to compete.
The positive reinforcement is the recording contract prize.
Observational learning is the cue Brianna takes from her friends to compete.
Positive reinforcement is the strengthening of behavior by inputting a positive stimulus after the action is performed. Negative reinforcement strengthens a behavior by removing an undesirable consequence.
Observational learning refers to the cues we take from others as we watch them execute certain actions.
Given these, we can deduce the above about Brianna.
Learn more about reinforcement here:
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