Piaget's theory of cognitive development: Difference between revisions

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==Relation to psychometric theories of intelligence==

Researchers have linked Piaget's theory to Cattell and Horn's [[Fluid and crystallized intelligence|theory of fluid and crystallized abilities]].<ref>{{cite journal|last1=Papalia|first1=D.|last2=Fitzgerald|first2=J.|last3=Hooper|first3=F. H.|year=1971|title=Piagetian Theory and the Aging Process: Extensions and Speculations|journal=The International Journal of Aging and Human Development|volume=2|pages=3–20|doi=10.2190/AG.2.1.b|s2cid=143590129}}</ref><ref name="Schonfeld'">{{Cite journal |last=Schonfeld, I.|first=Irvin S.Sam (|year=1986). |title=The Genevan and Cattell-Horn conceptions of intelligence compared: The early implementation of numerical solution aids |url=https://academicworks.cuny.edu/gc_pubs/283/ ''|journal=[[Developmental Psychology, (journal)|Developmental Psychology]] |volume=22'', 204-212.|issue=2 |pages=204–212 |doi.org/=10.1037/0012-1649.22.2.204 https://academicworks.cuny.edu/gc_pubs/283/|s2cid=222275196}}</ref> Piaget's operative intelligence corresponds to the Cattell-Horn formulation of fluid ability in that both concern logical thinking and the "eduction of relations" (an expression Cattell used to refer to the inferring of relationships). Piaget's treatment of everyday learning corresponds to the Cattell-Horn formulation of crystallized ability in that both reflect the impress of experience. Piaget's operativity is considered to be prior to, and ultimately provides the foundation for, everyday learning,<ref name="Furth, H. G. 1977"/> much like fluid ability's relation to crystallized intelligence.<ref name="Schonfeld'" />

Piaget's theory also aligns with another psychometric theory, namely the psychometric theory of [[G factor (psychometrics)|''g'']], general intelligence. Piaget designed a number of tasks to assess hypotheses arising from his theory. The tasks were not intended to measure individual differences and they have no equivalent in [[Psychometrics|psychometric]] intelligence tests. Notwithstanding the different research traditions in which psychometric tests and Piagetian tasks were developed, the correlations between the two types of measures have been found to be consistently positive and generally moderate in magnitude. ''g'' is thought to underlie performance on the two types of tasks. It has been shown that it is possible to construct a battery consisting of Piagetian tasks that is as good a measure of [[G factor (psychometrics)|''g'']] as standard IQ tests.<ref>{{cite journal | last1 = Humphreys | first1 = L.G. | last2 = Rich | first2 = S.A. | last3 = Davey | first3 = T.C. | year = 1985 | title = A Piagetian Test of General Intelligence | journal = Developmental Psychology | volume = 21 | issue = 5| pages = 872–877 | doi=10.1037/0012-1649.21.5.872}}</ref><ref>Lautrey, J. (2002). Is there a general factor of cognitive development? In Sternberg, R.J. & Grigorenko, E.L. (Eds.), ''The general factor of intelligence: How general is it?'' Mahwah, NJ: Erlbaum.</ref><ref>{{cite journal | last1 = Weinberg | first1 = R.A. | year = 1989 | title = Intelligence and IQ. Landmark Issues and Great Debates | journal = American Psychologist | volume = 44 | issue = 2| pages = 98–104 | doi=10.1037/0003-066x.44.2.98}}</ref>