Age differences in fluid and crystallized intelligence

Horn, John L.; Cattell, Raymond B.

doi:10.1016/0001-6918(67)90011-x

Cited by 1,331Cognitive Abilities and TestingAging and Gerontology ResearchPsychometric Methodologies and Testing

Age differences in fluid and crystallized intelligence

Horn, John L., Cattell, Raymond B.·1967·Acta Psychologica

DOI 10.1016/0001-6918(67)90011-x

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Fluid and crystallized skills both develop rapidly early in life but follow distinct trajectories into middle and later adulthood; crystallized abilities remain generally robust and steady while fluid abilities decline with age.
“Both fluid and crystallized skills develop rapidly early in the life span but follow distinct trajectories into middle and later adulthood, with crystallized abilities remaining generally robust and steady while fluid abilities decline with age (Horn & Cattell 1967, McArdle et al. 2002).”
From School Readiness and Self-Regulation: A Developmental Psychobiological Approach (2015) · cites this paper as Horn & Cattell 1967

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Authors: Horn, J. L., & Cattell, R. B.
Affiliations: University of Denver (US)
University of Illinois Urbana-Champaign (US)
Venue: Acta Psychologica
Publisher: Elsevier BV
Published: 1967
Volume: 26
Issue: 2
Pages: 107-129
ISSN: 0001-6918 (ISSN-L)
DOI: 10.1016/0001-6918(67)90011-x
OpenAlex: W2081778785
Cited by: 1,331
References: 50
Citations by year: 2026: 31 · 2025: 45 · 2024: 42 · 2023: 47 · 2022: 66 · 2021: 70 · 2020: 70 · 2019: 68 · 2018: 50 · 2017: 51 · 2016: 95 · 2015: 69 · 2014: 53 · 2013: 54 · 2012: 42
FWCI: 5.35
Type: journal article
Language: en
Open access: closed
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations: Acta Psychologica (publishedVersion)
PubMed (publishedVersion)
Topics: Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Aging and Gerontology Research
Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
Keywords: fluid intelligence, crystallized intelligence, aging, age differences, processing speed, fluency, intellectual functioning
MeSH terms: Adolescent, Adult, Aptitude, Humans, Intelligence, Psychometrics

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