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Functional and cognitive correlates of typing speed in a large U.S. panel study
Raymond Hernandez1, Stefan Schneider2,3,4, Margaret Gatz2,3,4
1Dornsife Center for Economic & Social Research, University of Southern California, Los Angeles, CA, USA. hern939@usc.edu.
Scientific Reports
|January 21, 2026
Summary
A brief typing test accurately measures daily functioning and cognitive abilities. This fast assessment correlates with daily living activities and health, proving valuable for research.
Area of Science:
- Gerontology
- Cognitive Science
- Human Computer Interaction
Background:
- Typing is crucial for daily activities.
- Traditional typing tests are too time-consuming for large studies.
- A brief typing test may offer a practical alternative.
Purpose of the Study:
- To assess the functional and cognitive correlates of a brief typing speed test.
- To determine if a single sentence typing test provides meaningful data on daily functioning.
- To evaluate the test-retest stability of a brief typing measure.
Main Methods:
- Utilized data from 10,613 participants in the Understanding America Study (UAS).
- Administered a one-sentence typing speed test alongside cognitive and daily living assessments.
- Analyzed intraclass correlation coefficients for test-retest stability over two years.
Main Results:
- High test-retest stability was observed for both computer (0.79) and smartphone (0.63) typing speeds.
- Faster typing speed correlated with better cognitive function across domains.
- Faster typing speed was associated with fewer difficulties in daily living and lower illness likelihood.
Conclusions:
- A brief, single-sentence typing test demonstrates high reliability and validity.
- Typing speed is a sensitive indicator of cognitive function and overall daily functioning.
- This brief test is a practical tool for assessing functioning in large-scale studies.
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