For many activities, people cannot rely solely on themselves in evaluating their ability level because such judgments require inferences from probabilistic indicants of talent about which they may have limited knowledge. Self-appraisals are, therefore, partly based on the opinions of others who presumably possess evaluative competence
Albert BanduraIn the self-appraisal of efficacy, there are many sources of information that must be processed and weighed through self-referent thought
Albert BanduraPeople 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