Judy sees her friend being admired by peers for bullying a smaller child. She then also bullies the same smaller child. This is an example of

Vicarious conditioning

Explanation:

Vicarious conditioning can be defined as learning by observing the reactions of others to an environmental stimulus that is salient to both the observer and the model. Vicarious conditioning is a particularly important process in observational learning

answer; technician a is correct; good luck;