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User interface evaluation: a comparison of 18 techniques when implementing the EU-Directive on Human-Computer Interaction

Several methodologies and criteria have been proposed for the evaluation of user interfaces. They stem from different disciplines and are based on different techniques for measurement. There exist only few structured reviews and catalogs for reviewing the different approaches. We report on a comparative study that has been performed in the course of putting the EC-Directive on Human-Computer Interaction to work.