HF 300 EXAM 3 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

HF 300 EXAM 3 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. what is the definition of anthropocentric?
Answer:
"measure of man"
-study the measurement of human dimensions.
-typically used to alter designs based on body dimensions

Question:
2. why do we need Anthropocentrics in human factors
Answer:

Question:
3. What are the different types of anthropometric variability?
Answer:
-Age
-Gender
-Occupation
-Heredity
-generation
-Diurnal

Question:
4. What does anthropometric variability in generation mean?
Answer:
Body dimensions change over history

Question:
5. What is biocular breadth? What design does it have the greatest impact upon?
Answer:
The cross between Sitting height and forward reach.
as described in the Dimension chart

Question:
6. Why are statistics important for anthropometrics?
Answer:
To be able to measure the changes in the body

Question:
7. What's the difference between a population and a sample?
Answer:
Population: some theoretical group of people being measured
Sample: the group of people actually measured

, Question:
8. What's the difference between designing for an average, an extreme, or an adjustable range?
Answer:
A normal curve (typical data follows a typical pattern):
Extreme 5% adj Range 90%

Question:
9. What's the difference between a structural measurement and a functional measurement? Think of an
example.
Answer:
Structural: While Stationary Functional: while moving

Question:
10. What are four different ways to adjust the system to account for flexibility in an anthropometric
design?
Answer:
Workplace: reconfigure whole thing
Worker: change the persons position
Workpiece: alter the item itself
Tool: using something else

Question:
11. What are some of the different ways in which designers try to accommodate for anthropometrics in a
design?
Answer:
Clearance requirements Reach requirements special (maintenance) adjust-ability

Question:
12. What is a link analysis?
Answer:
a method for investigating how frequently an operator returns to each position in the system.

Question:
13. What is Salience
Answer:
place important things for the task close within reach

Question:
14. What is the definition of stress?
Answer:
Any environmental demand that creates a state of tension or threat and requires change or adaptation

Question:
15. What is the definition of workload?
Answer:
Environmental demands and the capacity of the operator to deal with the demands (time required/ time
available) (Is a stressor)