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J. Intell. 2014, 2(1), 12-15; doi:10.3390/jintelligence2010012
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Intelligence Is What the Intelligence Test Measures. Seriously

1,* , 2
 and
1
1 Psychological Methods, Department of Psychology, University of Amsterdam, Weesperplein 4, room 207, Amsterdam 1018 NX, The Netherlands 2 Department of Biological Psychology, VU University, van der Boechorststraat 1, Amsterdam 1081 BT, The Netherlands
* Author to whom correspondence should be addressed.
Received: 16 January 2014 / Revised: 12 February 2014 / Accepted: 17 February 2014 / Published: 28 February 2014
(This article belongs to the Special Issue Intelligence, Where to Look, Where to Go?)
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Abstract

The mutualism model, an alternative for the g-factor model of intelligence, implies a formative measurement model in which “g” is an index variable without a causal role. If this model is accurate, the search for a genetic of brain instantiation of “g” is deemed useless. This also implies that the (weighted) sum score of items of an intelligence test is just what it is: a weighted sum score. Preference for one index above the other is a pragmatic issue that rests mainly on predictive value.
Keywords: mutualism model; formative model; intelligence test; g-factor; IQ mutualism model; formative model; intelligence test; g-factor; IQ
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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van der Maas, H.L.J.; Kan, K.-J.; Borsboom, D. Intelligence Is What the Intelligence Test Measures. Seriously. J. Intell. 2014, 2, 12-15.

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