References
- Brekke , B. , Williams , J. D. and Tait , P. 1974 . The acquisition of conservation of weight by visually impaired children . J. Genet. Psychol. , 125 : 89 – 97 .
- Brison , D. W. and Bereiter , C. 1967 . Acquisition of conservation of substance in normal, retarded, and gifted children , Educational Research Series 53 – 72 . Ontario Institute for Studies in Education . No. 2, . 3.
- Dececco , J. P. 1968 . The Psychology of Learning and Instruction Englewood Cliffs , N. J. : Prentice-Hall .
- Devries , R. 1971 . Evaluation of cognitive development with Piaget-type tests: Study of young bright, average, and retarded children Bethesda , Md. : ERIC Document Reproduction Service . ED 075 065
- Feigenbaum , K. 1963 . Task complexity and intelligence as variables in Piaget's problems of conservation . Child Devel. , 34 : 423 – 432 .
- Furth , H. G. 1964 . Conservation of weight in deaf and hearing children . Child Devel. , 35 : 143 – 150 .
- Goldschmid , M. L. 1967 . Different types of conservation and non-conservation and their relation to age, sex 1Q, MA and vocabulary . Child Devel. , 38 : 1229 – 1246 .
- Griffeth , J. A. , Shantz , C. A. and Sigel , I. E. 1967 . A methodological problem in conservation studies: The use of related terms . Child Devel. , 38 : 841 – 848 .
- Hermeier , R. 1968 . Age and intelligence as related to the concepts of mass and volume conservation, fliu . Abst. , 28 : 2556A
- Kohlberg , L. and Devries , R. Relations between Piaget and psychometric assessments of intelligence . Proceedings of Symposium on the Natural Curriculum of the Child . Urbana , Ill. : Univ. Illinois Press .
- Kooistra , W. H. 1964 . Developmental trends in the attainment of conservation, transitivity, and relativism in the thinking of children . Diss. Abst. , 25 : 2032