Constitutional factors-reflected in part in body build, temperament, and basic reactive trends. B. Prenatal life and birth. C. Early maturation. D. The mother-who may be loving, understanding, overprotective, inconsistent or unreasonable in discipline, tense and dominative or anxious, reject the child or play favorites. E. The father-similar to mother. F. The family unit-whether parents were compatible, home broken, affected by relatives, reputation, offered warmth and security. G. Aspects of the home and neighborhood-such as cultural level, rural or urban, kind of neighborhood. H. Play, social contacts, and recreation-group activities as outlets and sources of growth. I. School experiences. J. Extraschool experiences-movies, radio, work. K. Religious and moral influences. L. Health and physical factors. M. Self-impressions and evaluations. N. Affection and sex. O. Pubertal changes and adolescence-attitudes produced by changes, newer social and parental relations.