Nonintrusive Accessibility in inclusive higher education

In this paper we define the concepts \"intrusive accessibility\" and \"nonintrusive accessibility\", which are the guiding principles of the latter, as the minimum and extended features that a system of nonintrusive multimedia presentation must have and propose a multimedia model. We also define levels for assessing the degree of intrusiveness or compliance with the principles of nonintrusive accessibility. The paper present the results of research carried out to assess the proposed model, the results, conclusions and future work.