INTRODUCTION Since adoption of the measles case-based surveillance system in Zimbabwe in 1998, data has been routinely collected at all levels of the health delivery system and sent to national level with little or no documented evidence of use to identify risky populations, monitor impact of interventions and measure progress towards achieving measles elimination. We analysed this data to dete...

Article history: Received 9 June 2010 Received in revised form 7 June 2011 Accepted 7 June 2011 Available online 1 July 2011 Habermas' critical social theory has proven to be an important and useful lens in information systems research, especially in understanding the communicative potential of information systems and in conceiving alternative approaches to information systems development. As c...

There is a tendency to think of World Englishes in the noun form; as products rather than as processes (implying that one receives both ready-made, controlling the development of neither). Conceptualising World Englishes as processes in which one can participate as an agent raises the question of what skills are needed in their active construction. The author will argue that since culture resid...

In previous research, acoustic characteristics of the male voice have been shown to signal various aspects of mate quality and threat potential. But the human voice is also a medium of linguistic communication. The present study explores whether physical and vocal indicators of male mate quality and threat potential are linked to effective communicative behaviors such as vowel differentiation a...

The paper presents a critical inquiry into the relationship between Computer-Mediated Communication (CMC) and progressive rationalisation in modern organisations. By drawing on the evidence from a field study of a University consultative process, the paper investigates how communicative practices embedded in a public discourse via CMC influence rationalisation of organisational processes. This ...

The paper presents a model for the construction of an artificial agent that can express performatives through facial expression. The performative of a speech act or communicative act is the particular communicative intention a Sender has to one's Addressee, the way one wants to socially relate oneself to the interlocutor. Performatives are decomposed both on the meaning and on the signal side: ...