One of the most important qualities related to the use of information systems is arguably the usability achieved in actual use-situations. Three central criteria for usability as reflected in contemporary definitions are the effectiveness, efficiency and satisfaction with which users can achieve specified goals. A problem with these criteria is that they are expressed in terms of achieving goal...

"The aim of this contribution is to study three central revisions that Habermas has carried out in the course developing his theory communicative action, together with some criticisms raised by those revisions. A reflection suggested concerning whether Habermas’ project grounding a critical society on action definitively threatened after revisions."