One hundred and thirty-eight post-graduate students enrolled in a Diploma in Education course were tested for their ability to converse weight and volume. A methodological criticism of the earlier work or Elkind (1962) and Towler & Wheatley (1971) is offered which casts doubt on the extremely high proportion of non-conservers of volume reported in those studies. Nevertheless, using a modified version of Elkind's methodology, 18 per cent of our sample were non-conservers of volume, a result providing some support for the generaltiy of Elkind's findings. The results are discussed under the four headings of horizontal decalage, sex differences, possible effects of pre-graduate courses of study and educational implications. The importance of the individual as constructor and interpreter of his own experience is emphasized.
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http://dx.doi.org/10.1111/j.2044-8295.1976.tb01491.x | DOI Listing |
J Clin Psychol
November 1985
Evidence that concerns interhemispheric transfer deficits in young children is reviewed, and it is suggested that the late maturation of the corpus callosum may prevent the transfer and thus verbal expression of knowledge concerning equivalence relationships in non-conservers - operations normally performed by the right hemisphere. Because previous findings with "split-brain" patients indicate that interhemispheric transfer can be achieved when questions are phrased in the context of a reward (e.g.
View Article and Find Full Text PDFOne hundred and thirty-eight post-graduate students enrolled in a Diploma in Education course were tested for their ability to converse weight and volume. A methodological criticism of the earlier work or Elkind (1962) and Towler & Wheatley (1971) is offered which casts doubt on the extremely high proportion of non-conservers of volume reported in those studies. Nevertheless, using a modified version of Elkind's methodology, 18 per cent of our sample were non-conservers of volume, a result providing some support for the generaltiy of Elkind's findings.
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