... it as 'good'. As I said earlier some will regard this measure of worth as too lax to be of any use, whilst others will object to the application of science to the process of personality development, a process that is infinitely complex and unique, and so beyond science. Freud's theories of the oral and anal personality are centred around the idea that the infant is able to experience sexual sensations, and that the basis for these sensations changes during early development. If an infant is over or under stimulated during one of these stages fixation will occur, and certain personality traits will develop. The oral personality, according to Kline (1984) consists of two not entirely opposed constellations of traits, the optimistic oral, associated with late weaning, and the pessimistic oral, associated with early weaning. As both situations cause fixation at the oral stage, many traits are common to both types. ...

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