REFERENCES
- Barnett , L.A. and Fiscella , J. 1985 . A child by any other name ... A comparison of the playfulness of gifted and nongifted children . Gifted Child Quarterly , 29 : 61 – 66 .
- Barron , F. 1957 . Originality in relation to personality and intellect . Journal of Personality , 25 : 730 – 742 .
- Block , J.H. 1983 . Differential premises arising from differential socialization of the sexes: some conjectures . Child Development , 54 : 1335 – 1354 .
- Bruner , J.S. , Jolly , A. and Sylva , K. , eds. 1976 . Play. Its role in development and evolution , Har‐ mondsworth : Penguin .
- Chafel , J.A. 1991 . The play of children: developmental processes and policy implications . Child & Youth Care Forum , 20 : 115 – 132 .
- Cohen , J. 1977 . Statistical Power Analysis for the Behavioral Sciences , New York : Academic Press .
- Einsiedler , W. 1991 . Das Spiel der Kinder. Zur Pädagogik und Psychologie des Kinderspiels , Klinkhardt : Bad Heilbrunn/Obb. . Children's play. Educational and Psychological Aspects of Children's Play
- Hering , W. 1979 . Spieltheorie und Pädagogische Praxis. Zur Bedeutung des kindlichen Spiels , Pädagogischer Verlag Schwann . Theory of Play and Education. On the Relevance of Children's Play] (Düsseldorf
- Hollingworth , L.S. 1942 . Children above 180 IQ , New York : World Book Company .
- Kooij , R. van der . 1977 . “ Toy and play study ” . In That's All in the Game. Theory and Research, Practice and Future of Children's Play , Edited by: van der Kooij , R. and Groot , R. de . 77 – 138 . Rheinstetten : Schindele .
- Kooij , R. van der and de Groot , R. , eds. 1977 . That's All in the Game. Theory and Research, Practice and Future of Children's Play , Rheinstetten : Schindele .
- Lewis , M. , Feiring , C. and McGuffog , C. 1986 . Profiles of young gifted and normal children: skills and abilities as related to sex and handedness . Topics in Early Childhood Special Education , 6 : 9 – 22 .
- Lupkowski , A.E. 1989 . Social behaviors of gifted and typical preschool children in laboratory preschool programs . Roeper Review , 11 : 124 – 127 .
- Maccoby , E.E. and Jacklin , C.N. 1974 . The Psychology of Sex Differences , Stanford : Stanford University Press .
- Oswald , W.D. and Roth , E. 1987 . Der Zahlen‐Verbindungs‐Test (ZVT)2 Auflage [The Number‐Connecting Test , 2nd edn , Göttingen, Hogrefe .
- Piaget , J. 1945 . La formation du symbole chez l'enfant , Neuchâtel : Delachaux et Niestlé .
- Portmann , R. 1974 . Stufentests. Sprachliche Analogien , Weinheim : Beltz . 3/4, 308/408 Beiheft [Stage tests. Verbal Analogies, 3/4]
- Portmann , R. 1975 . Stufentests. Sprachliche Analogien , Weinheim : Beltz . 5/6, 508/608 Beiheft [Stage tests. Verbal Analogies, 5/6]
- Rheingold , H.L. and Cook , K.V. 1975 . The contents of boys’ and girls’ rooms as an index of parents’ behavior . Child Development , 46 : 459 – 463 .
- Rosenberg , B.G. and Sutton‐Smith , B. 1960 . A revised conception of masculine‐feminine differences in play activities . Journal of Genetic Psychology , 96 : 165 – 170 .
- Rost , D.H. , ed. 1993 . Lebensumweltanalyse hochbegabter Kinder. Das Marburger Hochbegabtenprojekt , Gottingen : Hogrefe . Life‐environment Analysis of Highly Gifted Children. The Marburg Giftedness Study
- Rost , D.H. and Dörner , H. , eds. 1989 . Lebensumweltanalyse besonders begabter Grundschulkinder. Forschungsbericht Nr. 2, Band 2 [Life‐environment Analysis of Highly Gifted Primary School Children , Philipps‐ Universität . Research Report No. 2, Vol. 2] (Marburg/L, Fachbereich Psychologie
- Rost , D.H. and Schermer , F.J. 1986 . Strategien der Prüfungsangstverarbeitung [Strategies of Coping with Test Anxiety] . Zeitschrift für Differentielle und Diagnostische Psychologie , 7 : 127 – 139 .
- Rubin , K.H. , Fein , G.G. and Vandenberg , B. 1983 . “ Play ” . In Socialization, Personality, Social Development (Handbook of child psychology , Edited by: Hetherington , E.M. and Mussen , P.H. Vol. 4 , 693 – 774 . New York : Wiley .
- Sutton‐Smith , B. and Rosenberg , B.G. 1971 . “ Sixty years of historical change in the game preferences of American children ” . In Child's Play , Edited by: Herron , R.E. and Sutton‐Smith , B. 18 – 50 . New York : Wiley .
- Sutton‐Smith , B. , Rosenberg , B.G. and Morgan , E.F. 1963 . Development of sex differences in play choices during preadolescence . Child Development , 34 : 119 – 126 .
- Tauber , M.A. 1979 . Parental socialization techniques and sex differences in children's play . Child Development , 50 : 225 – 234 .
- Terman , L.M. 1925 . Genetic Studies of Genius: mental and physical traits of a thousand gifted children , Stanford : Stanford University Press .
- Torrance , E.P. 1965 . Gifted Children in the Classroom , New York : Macmillan .
- Trautner , H.M. 1991 . Lehrbuch der Entwicklungspsychologie. Band 2: Theorien und Befunde , Developmental Psychology . A Textbook, Vol. 2: theories and findings] (Göttingen, Hogrefe
- Vernon , P.E. , Adamson , G. and Vernon , D.F. 1977 . The Psychology and Education of Gifted Children , London : Methuen & Co .
- Weiß , R.H. 1987 . Grundinulligenztest Skala 2 CFT‐20 3. Auflage [Basic Intelligence Scale 2 , 3rd edn , Gottingen : Hogrefe .
- Witty , P.A. and Lehman , H.C. 1927 . The play behavior of fifty gifted children . Journal of Educational Psychology , 18 : 259 – 265 .
- Yoder , G.E. 1894 . A study of the boyhood of great men . Pedagogical Seminary , 3 : 134 – 156 .