Final answer:
The Asch conformity experiments demonstrated normative social influence, where individuals conformed to a group's incorrect choice to avoid standing out or being socially disapproved, even when the task and correct answer were both clear.
Step-by-step explanation:
The experiment in question is known as the Asch conformity experiments. In these experiments, the type of social influence at play was normative social influence. This form of social influence occurs when an individual conforms to the expectations of a majority group to gain social acceptance or avoid social disapproval. The experiment demonstrated that even when the task was simple and the correct answer was obvious, individuals often conformed to the group's incorrect choice to fit in, highlighting the strong human desire to not appear different or incorrect in a group setting.