HF 300 exam 3 Questions and answers Updated Graded A+

HF 300 exam 3 Questions and answers
Updated Graded A+
what is the definition of anthropocentric? - Correct Answers "measure of man"
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-study the measurement of human dimensions. III! III! III! III! III!




-typically used to alter designs based on body dimensions III! III! III! III! III! III! III! III!




III! why do we need Anthropocentrics in human factors - Correct Answers
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III! What are the different types of anthropometric variability? - Correct Answers -Age
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-Gender

-Occupation

-Heredity III!




-generation III!




-Diurnal



III! What does anthropometric variability in generation mean? - Correct Answers Body dimensions change over
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III! history



III! What is biocular breadth? What design does it have the greatest impact upon? - Correct Answers The cross
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III! between Sitting height and forward reach. III! III! III! III! III!




as described in the Dimension chart
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III! Why are statistics important for anthropometrics? - Correct Answers To be able to measure the changes in
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III! the bodyIII!




III! What's the difference between a population and a sample? - Correct Answers Population: some theoretical
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III! group of people being measured III! III! III! III! III!

, Sample: the group of people actually measured III! III! III! III! III! III!




III! What's the difference between designing for an average, an extreme, or an adjustable range? - Correct
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III! Answers A normal curve (typical data follows a typical pattern): III! III! III! III! III! III! III! III! III! III!




Extreme 5% III!




adj Range 90%
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III! What's the difference between a structural measurement and a functional measurement? Think of an
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III! example. - Correct Answers Structural: While Stationary III! III! III! III! III! III! III! III! III!




Functional: while moving III! III!




III! What are four different ways to adjust the system to account for flexibility in an anthropometric design? -
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III! Correct Answers Workplace: reconfigure whole thing
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Worker: change the persons position III! III! III! III! III!




Workpiece: alter the item itself III! III! III! III! III!




Tool: using something else
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III! What are some of the different ways in which designers try to accommodate for anthropometrics in a
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III! design? - Correct Answers Clearance requirements III! III! III! III! III! III! III! III!




Reach requirements III! III!




special (maintenance) III!




adjust-ability



III! What is a link analysis? - Correct Answers a method for investigating how frequently an operator returns to
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III! each position in the system.
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