The ergonomics interventions evaluation. A study based on usability

ISO 9241-11 and ISO 13407 are recognized as important standards related to usability. ISO 9241-11 suggests that usability measures should cover: effectiveness (the ability of users to complete tasks using the system, and the quality of the output of those tasks), efficiency (the level of resource consumed in performing tasks) and users’ satisfaction (subjective perception when using the product, process or system). Based on these basic knowledge on usability concept the article aims to describe a proposed methodology for the global assessments of the ergonomics interventions in the case of industrial system. The research scenario consists in a survey based on a developed questionnaire that evaluate the ergonomics interventions, in terms of usability. In addition, the results of an experimental research demonstrate the testing and validation of the proposed approach. The method could be seen as an ergonomics continuous improvement one.