@article{ref1,
title="Methods for checking the validity of technical test procedures for the assessment of slip resistance of footwear",
journal="Safety science",
year="1993",
author="Jung, Kihyo and Fischer, A.",
volume="16",
number="3-4",
pages="189-206",
abstract="A technical test method for assessing anti-slip properties of footwear was developed by a working-group of the International Organization for Standardization (ISO). Interlaboratory trials were organized to determine the precision of this ISO-test method based on DIN ISO 5725. The test machines used in the interlaboratory trials gave results that varied widely, although every single machine proved to be acceptably repeatable.  <p>Some of the laboratories, that participated in the interlaboratory trials, used test methods involving test persons to validate the ISO-test method. The results thus obtained were compared to the results achieved by means of the ISO-test method. Significant correlations could hardly be shown to exist between the test methods involving test persons. A comparison of the ISO-test method with the different test methods involving test persons reveals all Pearson product-moment-correlations and 6 of the 10 Spearman-rank-correlations not to be significant. Overall, the results do not confirm the validity of the ISO-test method.</p>  <p>The following questions have still to be answered with a view to developing adequate test machines for the determination of slip resistance of footwear and floors: (1) Which test conditions are best to simulate the way people move, e.g. walking, running? (2) How will it be possible to check the transferability of the values measured by a test machine to actually existing conditions? (3) Is a direct comparison of the results obtained from different machines possible?</p>  <p></p>",
language="en",
issn="0925-7535",
doi="",
url="http://dx.doi.org/"
}