Human Factors and Ergonomics: Anthropometry and workstation design — Anthropometric Data and Percentiles
How designers use body-measurement data and percentiles to decide who a product or workstation will fit.
Human Factors and Ergonomics · 24 questions
Try 3 questions
1. What does anthropometry study?
- The measurement of human body dimensions
- The energy cost of physical work
- The speed of human reactions
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Answer: The measurement of human body dimensions
Anthropometry measures body sizes, proportions and ranges of motion, which designers use to size products and workplaces.
2. A design accommodates users from the 5th to the 95th percentile on one dimension. What share of that population does it fit?
- About 90%
- About 100%
- About 95%
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Answer: About 90%
It excludes the smallest 5% and the largest 5% on that dimension, leaving roughly 90% accommodated.
3. When setting the height of a doorway, which users should the design be based on?
- The average user
- The tallest users
- The shortest users
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Answer: The tallest users
Doorway height is a clearance dimension: if the tallest people fit through, everyone shorter does too.
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