Key result
Single-factor model of four executive functioning tests fits well across gender and age.
Population
427 healthy adults aged 55 to 85 years from the Victoria Longitudinal Study
Design
Cross-sectional
Authors
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Supports unified executive functioning in healthy older adults; leaves open clinical utility and generalizability to impaired populations.
Cross-Sectional (n=427)
p-value: p=.85
Executive functioning in healthy older adults is best represented by a single-factor structure rather than separate inhibition and shifting factors.
Frias et al. (2006) conducted a cross-sectional in Healthy older adults (n=427). Four executive functioning tests (Hayling, Brixton, Stroop, Color Trails) was evaluated on Factor structure of executive functioning tests (p=.85). A single-factor model of four executive functioning tests fit the data well (RMSEA=0.00, CFI=1.00, p=0.85) and was invariant across gender and age.
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