References
- Gollin , E. S. , Moody , M. and Schadler , M. 1974 . Relational learning of a size concept . Devel. Psychol. , 10 : 101 – 107 .
- Hulsebus , R. C. 1969 . An interaction between vertical dimension and age in children's judgments of size . Percept. & Motor Skills , 28 : 841 – 842 .
- Lumsden , E. A. and Poteat , B. W. S. 1968 . The salience of the vertical dimension in the concept of bigger in five- and six-year olds . J. Verb. Learn. & Verb. Behav. , 1 : 404 – 408 .
- Phye , G. and Ten Brink , T. 1972 . Stimulus position and functional direction: Confounds in the concept of bigger in five- and six-year olds . Psychon. Sci. , 29 : 357 – 359 .
- Poteat , B. W. S. and Hulsebus , R. C. 1968 . The vertical dimension: A significant cue in the preschoolers concept of bigger . Psychon. Sci. , 12 : 369 – 370 .
- Rothenberg , B. 1969 . Conservation of number among four-and five-year-old children: Some methodological considerations . Child Devel. , 40 : 382 – 406 .
- Wohlwill , J. F. 1970 . “ Methodology and research strategy in the study of developmental change ” . In Life-Span Developmental Psychology , Edited by: Goulet , L. R. and Baltes , P. B. New York : Academic Press .