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Journal Article

Citation

Kaklanis N, Stavropoulos G, Tzovaras D. Appl. Ergon. 2015; 51: 120-136.

Affiliation

Information Technologies Institute, Centre for Research and Technology Hellas, 6th Klm. Charilaou - Thermi Road, P.O. BOX 60361, GR-570 01, Thessaloniki, Greece. Electronic address: Dimitrios.Tzovaras@iti.gr.

Copyright

(Copyright © 2015, Elsevier Publishing)

DOI

10.1016/j.apergo.2015.04.016

PMID

26154211

Abstract

Virtual User Models (VUMs) can be a valuable tool for accessibility and ergonomic evaluation of designs in simulation environments. As increasing the accessibility of a design is usually translated into additional costs and increased development time, the need for specifying the percentage of population for which the design will be accessible is crucial. This paper addresses the development of VUMs representing specific groups of people with disabilities. In order to create such VUMs, we need to know the functional limitations, i.e. disability parameters, caused by each disability and their variability over the population. Measurements were obtained from 90 subjects with motor disabilities and were analyzed using both parametric and nonparametric regression methods as well as a proposed hybrid regression method able to handle small sample sizes. Validation results showed that in most cases the proposed regression analysis can produce valid estimations on the variability of each disability parameter.


Language: en

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