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Title:Developmental differentiation and binding of mental processes with g through the life-span
Authors:Demetriou, Andreas (Author)
Spanoudis, George (Author)
Kazi, Smaragda (Author)
Mougi, Antigoni (Author)
Žebec, Mislav Stjepan (Author)
Kazali, Elena (Author)
Golino, Hudson (Author)
Bakračevič Vukman, Karin (Author)
Shayer, Michael (Author)
Files:.pdf Journal_of_Intelligence_2017_Demetriou_et_al._Developmental_Differentiation_and_Binding_of_Mental_Processes_with_g_through_the_Life-Span.pdf (3,28 MB)
URL http://www.mdpi.com/2079-3200/5/2/23
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FF - Faculty of Arts
Abstract:Integration/differentiation of mental processes is major mechanism of development. Developmental theories ascribe intellectual development to it. In psychometric theory, Spearman’s law of diminishing returns postulates that increasing g allows increasing differentiation of cognitive abilities, because increased mental power allows variable investment in domain-specific learning. Empirical evidence has been inconsistent so far, with some studies supporting and others contradicting this mechanism. This state of affairs is due to a developmental phenomenon: Both differentiation and strengthening of relations between specific processes and g may happen but these changes are phase-specific and ability-specific, depending upon the developmental priorities in the formation of g in each phase. We present eight studies covering the age span from 4 to 85 years in support of this phenomenon. Using new powerful modeling methods we showed that differentiation and binding of mental processes in g occurs in cycles. Specific processes intertwine with g at the beginning of cycles when they are integrated into it; when well established, these processes may vary with increasing g, reflecting its higher flexibility. Representational knowledge, inductive inference and awareness of it, and grasp of logical constraints framing inference are the major markers of g, first intertwining with in their respective cycles and differentiating later during the periods of 2–6, 7–11, and 11–20 years, respectively. The implications of these findings for an overarching cognitive developmental/differential theory of human mind are discussed.
Keywords:intelligence, cognitive development, individual differences, integration, differentiation, awareness
Year of publishing:2017
Number of pages:str. 1-31
Numbering:št. 2, Letn. 5
ISSN on article:2079-3200
COBISS_ID:23143432 Link is opened in a new window
DOI:10.3390/jintelligence5020023 Link is opened in a new window
License:CC BY 4.0
This work is available under this license: Creative Commons Attribution 4.0 International
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Record is a part of a journal

Title:Journal of Intelligence
Shortened title:J. Intell.
Publisher:MDPI AG
COBISS.SI-ID:520122905 New window

Secondary language

Keywords:inteligentnost, kognitivni razvoj, individualne razlike, integracija, diferenciacija


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