Answer:
normative social influence was at work.
Step-by-step explanation:
Normative social influence: The term refers to the process of an individual that tends to conform to a particular group norms to fit in that group, because of the desire to be accepted by that particular group and to feel good.
Example: Peer pressure.
In other words, the normative Social Influence is referred to as the Need to be accepted in a specific group. Individuals usually change their behavior to match with the group.
In the question above, the findings suggest that normative social influence was at work.