information bearing complexity human personality development longer used human beings except persons closed neuro psychiatric ward prisoners solitary confinement people never become fully cognitive general orientation operant conditioning second force arose freudian psychoanalysis composed psychologists like alfred adler erik erikson carl jung erich fromm karen horney melanie klein harry stack sullivan sigmund freud ref name ahp history ahp history http wwwahpweborg aboutahp whatishtml humanistic psychology ref maslow emphasized necessity third force even though
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