Piaget's theory of stage structure is synonymous with discussions involving cognitive development. As with any theoretical model, researchers inevitably and rightly seek to affirm and/or contest the elements of the model presented. In this comparative study, students' performance across three hands-on engineering tasks for two distinct student…

This paper starts out with a discussion of the importance of user-centred design, outlining its history and current embodiment in national and international standards and considers its particular relevance in addressing the needs of ageing populations. The paper moves on to examine how the premise of user-centred design has been taken up in…