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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 childs computer to the elderlys 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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- Fall '08