The correct answer is b. Accepting others' opinions about reality is normative social influence or informational social influence.
Informational social influence occurs when an individual conforms out of a desire to be accurate and an inclination to look to others they see as having greater knowledge or opinions. This kind of conformity, which is linked to internalisation, happens when a person lacks information or is uncertain of a situation. An illustration of this is when a person enters a good restaurant for the very first time and is presented with a variety of forks. Unsure of which fork to use first, they may ask someone nearby for advice.
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