Occurs when a person genuinely accepts the group norms. This results in a private as well as a public change of opinion/behaviour
This change is usually permanent because attitudes have been internalised i.e. become part of the way the person thinks
The change in opinion/behaviourpersists even in the absence of other group members
Identification
Sometimes we conform to the opinions/behaviour of a group because there is something about the group we value.
We identify with the group, so we want to be part of it.
This identification may mean we publicly change our opinions/behaviour to be accepted by the group, even if we don't privately agree with everything the group stands for.
Compliance
This type of conformity involves simply 'going along with others' in public, but privately not changing personal opinions and/or behaviour.
Compliance results in only a superficial change. It also means that a particular behaviour or opinion stops as soon as group pressure stops.
Informational social influence
Following the behaviour of the group because you want to be right
ISI is a cognitive process because it involves what you think. It leads to a permanent change in opinions/behaviour (internalisation)
ISI is most likely to happen in situations that are new to a person (so you don't know what is right) or where there is some ambiguity (so it isn't clear what is right)
It also occurs in crisis situations where decisions have to be made quickly and we assume that the group is more likely to be right
Normative social influence
Following the behaviour of the group because you want to be liked/seek social support
People prefer to gain social approval rather than be rejected
NSI is an emotional rather than cognitive process
It leads to a temporary change in opinions/behaviour (compliance)
NSI is likely to occur in situations with strangers where you may feel concerned about rejection
It may be more pronounced in stressful situations where people have a greater need for social support