Modelling, and in particular the construction of conceptual models, is an essential activity in the designing of information systems. Experience has shown the limits of conceptual models as a support in communicating and in the transmission of knowledge. The purpose of this article is to bring up some elements which can explain these difficulties. After a restatement about the object of concept...

Context-aware applications promise better usability as they make context information which is relevant to the user accessible and can thus improve interaction flow. However, the quality of the presented information, as well as the way they are presented to the user, can be expected to have an impact on whether an improvement can be achieved. In this paper, we present a quantitative assessment o...

Standardized training and credentialing is increasingly important to states and healthcare systems. Workforce shortages in children's mental health can be addressed through training and credentialing of professional peer parents (called family peer advocates or FPAs), who deliver a range of services to caregivers. A theory-based training program for FPAs targeting skills and knowledge about chi...