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CHAPTER II LITERATURE REVIEW
A. Literary Review
1. Self-Confidence
a. Definition of self-confidence
Before knowing the meaning of the word self-confience, it is better to understand the meaning of the word „self’ which, in
Psychology, has two meaning, namely someone’s attitude and feeling
about himself, and the entire psychological process that control behavious and self-adaptation Sumadi, 2005: 248. Heri Priyono
define the word „self’ as follows. “Self is factor which bases the formation of personality and
determine behaviour which involves beliefs, attitude, feelings, and wants either which was realized or not by someone about
himself. The concept of self is someone’s view and feeling about himself which is derived from other’s view about
himself, experience of interacting with others and perception towards himself.
”
Social life of teenagers is indicated by the prominence of intellectual and emotional function. The self concept of children is
formed not only on how they believe in their existence, but also on
how others believe in children’s existence. Teenagers are unstable, less confident, and worried about doing something right and
acceptable in their relation with others. Someone who is confident is one who is satisfied with
himself. Someone who is satisfied with himself is one who feels knowing and admits his skill and competency, and be able to show
his achievement in social life Lindenfiel in Ediati K., 1998: 3. “Self confidence is a belief in humans’ soul that any kinds of
life challenge m ust be faced by taking actions.” Self-confidence is
derived from someone ’s awareness of will to do everything until it is
achieved Angelis, 2000: 10. “Self-confidence is a kind of belief someone has in various
aspects of life from which it make him able to achieve any goals in his life.” In brief, self-confident person has optimism due to his
potency to achieve the goals determined.”
Students who has high self-confidence can understand their strengths and weaknesses. The weaknesses they have are natural
which motivates them to develop strengths they have; it is not barrier to achieving the goals determined Hakim, 2005: 6.
Based on the above definitions, it can be concluded that self- confidence is individual awareness of his strengths and weaknesses,
belief in his self-confidence, satisfaction of himself both physically and spiritually, ability to take action based on the decision, and
ability to control the action taken to achieve the goals hoped for.
b. Formation process of self-confidence
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