In psychology, self-esteem or self-worth includes a person's subjective appraisal of himself or herself as intrinsically positive or negative to some degree (Sedikides & Gregg, 2003).Self-esteem involves both self-relevant beliefs (e.g., "I am competent/incompetent", "I am liked/disliked") and associated self-relevant emotions (e.g., triumph/despair, pride/shame).
It also finds expression in behavior (e.g., assertiveness/timorousness, confidence/caution)..
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