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Measuring Stages of Growth [microform] : A Psychometric Model of Hierarchical Development. Occasional Paper No. 19 / Mark Wilson
Bib ID 5459759
Format BookBook, MicroformMicroform, OnlineOnline
Author
Wilson, Mark
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1985 
95 p. 
ISBN 9780855633974
0855633972
Summary

A psychometric model called Saltus, which represents the qualitative aspects of hierarchical development in a form applicable to additive measurement, was applied. Both Piaget's theory of cognitive development and Gagne's theory of learning hierarchies were used to establish the common features of hierarchical development: (1) gappiness--the logical construction of the hierarchy which occurs when there is no state between adjacent stages; and (2) rigidity--learning behavior, exhibited by a fixed sequence of progression through stages. Saltus assumes a theory with gappiness expressed through items or tasks, and estimates the rigidity of data, thus testing the hypothesized gappiness. Four experiments tested the Saltus model in elementary school Australian children and with subjects aged 3, 4, 5, 8, 12, and 21 years. Three Piagetian tasks of rule assessment involving proportionality (balance scale, projection of shadows, and a probability task) gave clear evidence of rigidity in the step from the pre-operational stage to the concrete operational stage. The next step, to the formal operational stage, did not show rigidity, although gappiness was evident. The hypothesized existence of a gap to split the concrete operational stage was not supported. The Gagnean data on a subtraction task showed strong rigidity. (Author/GDC)

Notes

Availability: The Australian Council for Educational Research, Frederick Street, Hawthorn, Victoria 3122, Australia.

Educational level discussed: Elementary Education.

Educational level discussed: Preschool Education.

Researchers.

May also be available online. Address as at 14/8/18: https://eric.ed.gov/

Reproduction Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive. 
Subjects Cognitive Development.  |  Cognitive Measurement.  |  Developmental Stages.  |  Elementary Education.  |  Estimation (Mathematics)  |  Foreign Countries.  |  Latent Trait Theory.  |  Learning Theories.  |  Mathematical Models.  |  Preschool Education.  |  Subtraction.  |  Vertical Organization.  |  Young Adults.  |  Hierarchical Learning Saltus Model  |  Australia Gagnes Taxonomy Piagetian Tasks Piagetian Theory
Form/genre Reports, Research.  |  Books.
Other authors/contributors Australian Council for Educational Research, Hawthorn
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