*belief in one's own competence.<ref>[http://www.bbc.co.uk/health/conditions/mental_health/emotion_esteem.shtml "Self-esteem" Mental/Emotional Health at BBC Health; accessed 24 december 2007]</ref>
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*belief in one's own competence.<ref>[http://www.bbc.co.uk/health/conditions/mental_health/emotion_esteem.shtml "Self-esteem" Mental/Emotional Health at BBC Health; accessed 24 December 2007]</ref>