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Unformatted text preview: 1 IE/PSY 577 Session 3 Scientific Method 2 IE/PSY 577 Session 3 Human Factors Research (Durso et al., 2009) • … includes studying different operators —the young child’s computer to the elderly’s medical reminding system; • using a variety of methods —anthropometrics, task analyses, surveys, natural observation, simulations, laboratory experiments, and modeling; • in a number of domains —aerospace, transportation, medicine, recreation, industrial processing; • with the hope of improving the system. 3 IE/PSY 577 Session 3 Human Factors Research (Durso et al., 2009) • In the science of human factors there is the added hope of extracting generalizable principles that will be of value in other systems. 4 IE/PSY 577 Session 3 Research Methods in Human Factors • Features of Science and the Scientific Method • Measurement • Research Design • Statistical Methods 5 IE/PSY 577 Session 3 “There are, in fact, two things, science and opinion: the former begets knowledge and the latter ignorance” – Hippocrates (460 BC – 377 BC) 6 IE/PSY 577 Session 3 Why is understanding of research methods important? • Human Factors is an applied science • Scientific approach to basic and applied research 2 7 IE/PSY 577 Session 3 8 IE/PSY 577 Session 3 Why is understanding of research methods important? • Need to be able to evaluate results of research and determine whether they are applicable to the situation of interest • Important to understand how and why decisions about facts and guidelines are made 9 IE/PSY 577 Session 3 Science is much more than a body of knowledge. It is a way of thinking.- Carl Sagan (1934-1996) 10 IE/PSY 577 Session 3 Scientific Method • Systematic empiricism – Structured, controlled observations • Publicly available/verifiable information – Data can be reproduced & evaluated – “Independent replication is a vital part of how science progresses. One single set of experiments can be wrong for a range of...
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This note was uploaded on 11/04/2010 for the course IE/PSY 577 577 taught by Professor Staff during the Fall '08 term at IUPUI.
- Fall '08