A structural factor analysis of vocabulary knowledge and relations to age

Ryan P. Bowles, Kevin Grimm, John J. McArdle

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Vocabulary knowledge may not be a unidimensional construct, and the relations between vocabulary knowledge and age may depend on the aspect of vocabulary knowledge being assessed. In this study, we examined the factor structure of a vocabulary test given to a large nationally representative sample of individuals (N ∼ 20,500). Results indicated that the vocabulary test is not unidimensional but bidimensional, with Basic Vocabulary and Advanced Vocabulary factors. An analysis of age differences indicates that basic vocabulary is highest around the age of 30, with a negative relation to age in late adulthood; in contrast, advanced vocabulary is unrelated to age between ages 35 and 70. Cohort effects may explain some of the differential age trend.

Original languageEnglish (US)
JournalJournals of Gerontology - Series B Psychological Sciences and Social Sciences
Volume60
Issue number5
StatePublished - Sep 2005
Externally publishedYes

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Vocabulary
structural analysis
Statistical Factor Analysis
factor analysis
vocabulary
Language Tests
Cohort Effect
age difference
adulthood
trend

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Aging
  • Psychology(all)

Cite this

A structural factor analysis of vocabulary knowledge and relations to age. / Bowles, Ryan P.; Grimm, Kevin; McArdle, John J.

In: Journals of Gerontology - Series B Psychological Sciences and Social Sciences, Vol. 60, No. 5, 09.2005.

Research output: Contribution to journalArticle

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