Question

match each behavior with a type of peer influence. positive reinforcement social exclusion emulation walking away from someone giving a thumbs - up when someone does something good doing what a best friend does

Explanation:

Positive reinforcement is rewarding behavior, so giving a thumbs - up when someone does something good is positive reinforcement. Social exclusion involves separating from others, so walking away from someone is social exclusion. Emulation is imitating someone, so doing what a best friend does is emulation.

Answer:

Walking away from someone: Social exclusion
Giving a thumbs - up when someone does something good: Positive reinforcement
Doing what a best friend does: Emulation