From Visual Programming to Visual Debugging
Henry Lierberman
Media Lab, MIT, USA

Text vs Graphics in the Visualisation of Prolog
Ben du Boulay
University of Sussex, UK

Formal Derivation Made Easy
Maurice Naftalin
University of Stirling, Scotland

Interactive Contrete Models: Mapping from Code to Execution
Ray Waddington
University of Guelph, Canada

Visbility - A New Dimension?
David Gilmore
Department of Psychology, University of Nottingham, UK

What Really Determines the Success of Novices Learning to Program?
Tom Ormerod
Loughborough University of Technology, UK

Shifts in Reasoning about Software and Hardware Systems: Must Operational Models Underpin Declarative Ones?
Marian Petre
The Open University, UK