Over the past 10 years, learning and teaching have benefited from greater use of social constructivist and situated learning, through more widespread adoption of the ideas of Dewey, Piaget, Vygotsky and Bruner (e.g., Lave and Wenger 1991; Brown 2004). However, assessment has consistently failed to follow through these innovations, substantially because it squares the desire for improved constructivist learning against the demand for institutional and external reliability and accountability. Consequently, assessment has not kept pace with these developments and has remained largely transmission orientated in both conception and practice (Knight and Yorke 2003). This new generation of e-assessment is still in its early days, but its found...