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biological characteristics to the specification,
design, evaluation, operation, and maintenance of
products and systems to enhance safe, effective
by individuals, group, and organization.
􀂃 Focus of human factors : Human beings and their
interaction with products, equipment, facilities,
procedures, and environment.
A project supported by AIRBUS and the CAAC
A project supported by AIRBUS and the CAAC
June 2007
Review
􀀴 Majors objectives of human factors for operation
phase
􀂃 Enhance working efficiency and increase
productivity
􀂃 Reduce fatigue
􀂃 Reduce or manage human error ,and
􀂃 promote safety
A project supported by AIRBUS and the CAAC
June 2007
2. Research methodology for
Human Factors
􀀴 How do we get the objectives?
􀀴 How do we improve aviation safety?
􀀴 How do we know:
􀂃 What happening in accident
􀂃 How happening
􀂃 Why happening
􀂃 How and what we will do to avoid it happening
again.
􀀴 Answer: research
A project supported by AIRBUS and the CAAC
A project supported by AIRBUS and the CAAC
June 2007
􀀴 Human Factors is an empirical science
􀀴 Basic Methods of HF research
􀀴 Procedures for doing research
􀀴 About model
􀀴 About statistical techniques
􀀴 Conclusion: key of research in human factors
􀀴 Example of analysis model : HFACS
Research methodology for Human Factors
A project supported by AIRBUS and the CAAC
June 2007
Human Factors is an empirical science
􀀴 The application of relevant information about
human capabilities and behavior to the design of
objects and operation of systems
􀀴 This body of relevant information is largely based
upon experimentation and observation.
􀀴 Human factors is ……
A project supported by AIRBUS and the CAAC
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 General
􀀴 Descriptive studies
􀀴 Experimental research
􀀴 Evaluation research
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 General
all researches involve basically the same set of
decisions
􀂃 Choosing a research setting
􀂃 Selecting variables
􀂃 Choosing a sample of subjects
􀂃 Deciding how to collect data
􀂃 Deciding how to analyze the data
A project supported by AIRBUS and the CAAC
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 Descriptive Studies
􀂃 They represent the basic data upon which other
studies may be based.
􀂃 Seek to characterize a population in terms of
certain attributes
􀂾 Examples include:
– Surveys of the dimensions of people’s bodies
– Hearing loss by age, occupation, etc.
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 Descriptive Studies
􀂃 Are often carried out to assess the magnitude
and scope of a problem before solutions are
suggested.
– Example: a survey of of operators to gather opinions on
design deficiencies and operational problems
A project supported by AIRBUS and the CAAC
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 Experimental Research
􀂃 The concern is whether a variable(s) has any effect upon
behavior and the the direction of that effect.
􀂾 Decisions as to what to study, and how to study it,
usually based upon a practical situation which presents a
design problem
􀂾 Need to define dependent and independent variables
􀂾 Example
– Determine the impact of noise on human performance on reading.
– Determine the memory performance of pilot or ATC for different
speech of number such as 1234
– Find out human response time to light resource under different
illumination.
– Find out reading error rates for different display of instrument
figure.
A project supported by AIRBUS and the CAAC
June 2007
Basic Methods of HF research
􀀴 Evaluation Research
􀂃 Evaluate the performance, effectiveness, or
usability of an existing system or product.
􀂃 Need to clearly define independent variables and
　
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