References
- ASE . 1975 . Science in the middle years‐‐a Yorkshire survey . Study Series , 5
- Banks , S.H. 1958 . To see to what extent pupils in a secondary modern school can induce scientific principles from scientific experiments , University of Birmingham . Unpublished Dip. Ed. thesis
- Biggs , J.B. 1978 . “ The relationship between developmental level and the quality of School learning ” . In Towards a Theory of Psychological Development within the Piagetian Framework , Edited by: Modil , S. and MODIL , C. Windsor : NFER .
- Comber , M. 1980 . Concept development in Middle School Science, with particular reference to concepts related to the Theory of Matter , University of Warwick . Unpublished MA thesis
- DES . 1978 . Primary Education in England , London : HMSO .
- Goldschmid , M.L. 1967 . Different types of conservation and non‐conservation and their relation to sex, IQ, MA, and vocabulary . Child Development , 38 : 1229 – 1246 .
- Mealings , R.J. 1963 . Problem solving and science teaching . Educational Review , 15 : 194 – 207 .
- NFER . 1980 . CSMS Science Reasoning Tasks , Windsor : NFER .
- Shayer , M. , Küchemann , D.E. and Wylam , H. 1976 . The distribution of Piagetian stages of thinking in British middle and secondary school children . BJEP , 46 ( 2 ) : 164 – 173 .
- Strauss , S. and Stein , D. 1978 . U‐shaped curves in language acquisition and the learning of physical concepts . Die Neuren Sprachen , 3/4 : 327 – 330 .
- Wadsworth , B J. 1978 . Piaget for the Classroom Teacher , London : Longman .