"To the extent that children with similar characteristics achieve comparable performance levels, using the performances of similar peers is likely to yield more accurate self-appraisal than using the accomplishments of dissimilar peers"

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People are much more likely to act on their self-percepts of efficacy inferred from many sources of information rather than rely primarily on visceral cues. This is not surprising because self knowledge based on information about one's coping skills, past accomplishments, and social comparison is considerably more indicative of capability than the indefinite stirrings of the viscera

— Albert Bandura