References
- Beres D. Ego deviation and the concept of schizophrenia. Psychoanalytic Study of the Child 1956; 11: 164
- Bernstein B. Elaborated and restricted codes. Amer. Anthropologist 1964; 66: 55
- Bowlby J. Maternal Care and Mental Health. Monograph Series Number 2, World Health Organization, Geneva 1951
- Bruner J., Goodenow J., Austin G. A Study of Thinking. Wiley, New York 1956
- Dennis W., Russell R. Piaget's questions applied to Zuni children. Child Develop. 1940; 11: 181
- Dennis W. Animism and related tendencies in Hopi children. J. abnorm. spc. Psychol. 1943; 38: 21
- Festinger L. A Theory of Cognitive Dissonance. Row and Peterson, Evanston, Illinois 1957
- Gallagher J. Productive thinking. Child Development Research, M. Hoffman, L. Hoffman. Russell Sage Foundation, New York 1964
- Getzels J., Jackson P. Creativity and Intelligence. Wiley, New York 1962
- Goldfarb W. Effects of psychological deprivation in infancy and subsequent stimulation. Amer. J. Psychiat. 1945; 102: 18
- Goldstein K., Scheerer M. Abstract and concrete behaviour. Psychol. Monogr. 1941; Vol. 63(2)
- Havighurst R., Neugarten B. Beliefs in ammenent justice and animism. American Indian and White Children, R. Havighurst. University of Chicago Press, Chicago 1955
- Hess R., Shipman V. Early experience and the socialization of cognitive modes in children. Child Develop. 1965; 36: 869
- Huang I. Children's concepts of physical causality. J. Genet. Psychol. 1943; 66: 69
- Johoda G. Child animism: a study in West Africa. J. soc. Psychol. 1958; 47: 213
- Jones F., Arrington M. The explanation of physical phenomena given by white and Negro children. Comprehensive Psychol. Monogr. 1945; Vol. 18(5)
- Laurendeau M., Pinard A. Causal Thinking in the Child. International Universities Press, New York 1962
- Levi-Strauss C. The Savage Mind. Random House, New York 1962
- Mead M. An investigation of the thought of primitive children with special reference to animism. J. roy. anthropol. Inst. Great Britain and Ireland 1932; 62: 173
- Nurcombe B., Parker N. The idiot savant. J. Amer. Acad. Child Psychiat. 1964; 3: 469
- Osler S., Fivel M. Concept attainment. I. The role of age and intelligence in concept formation by induction. J. exper. Psychol. 1961; 62: 1
- Osler S., Trautman G. Concept attainment. II. The effect of stimulus complexity upon concept attainment at two levels of intelligence. J. exper. Psychol. 1961; 62: 9
- Sigel I. The attainment of concepts. Child Development Research, M. Hoffman, L. Hoffman. Russell Sage Foundation, New York 1964
- Whorf B. Language, Thought and Reality. Technology Press, Cambridge, Mass 1956
- Witkin H., Dyk R., Patterson H., Goodenough D., Karp S. Psychological Differentiation. Wiley, New York 1962
- Woodward M. Concepts of number of the mentally subnormal studied by Piaget's method. J. Child Psychol. Psychiat. 1961; 2: 249