Chapter 8 - Complementary Contributions of Fluid and Crystallized Intelligence to Decision Making Across the Life Span

Lisa Zaval, Ye Li, Eric J. Johnson, Elke U. Weber

Research output: Chapter in Book/Report/Conference proceedingChapter

12 Scopus citations

Abstract

This chapter explores the interplay between fluid intelligence declines and higher levels of crystallized intelligence of older adults as they affect everyday decision-making ability. Specifically, we explore the hypothesis that accumulated knowledge and expertise may help compensate for age-related declines in fluid cognitive function. The complementary capabilities framework suggests that although age-related declines are inevitable, these declines may be at least partially attenuated on tasks and in domains that are more familiar and practiced. Crystallized intelligence may thereby represent a kind of intellectual capital that circumvents reduced capabilities caused by diminished levels of fluid intelligence. We explore the role of domain-specific knowledge and expertise in context-specific tasks and everyday problem solving, and discuss the practical implications of this research for public policy and for the design of effective decision interventions that can aid decision making among older adults.

Original languageEnglish (US)
Title of host publicationAging and Decision Making
Subtitle of host publicationEmpirical and Applied Perspectives
PublisherElsevier Inc.
Pages149-168
Number of pages20
ISBN (Electronic)9780124171558
ISBN (Print)9780124171480
DOIs
StatePublished - Feb 23 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Psychology(all)

Keywords

  • Cognitive aging
  • Complementary capabilities
  • Crystallized intelligence
  • Decision making
  • Domain-specific knowledge/expertise
  • Fluid intelligence

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