Learning about systems by making models

Toward a Theory of Instruction

1966 • 4,087 citations

User Centered System Design: New Perspectives on Human-Computer Interaction

1988 • 1,760 citations

Towards a theory of instruction

2018 • 662 citations

Tools for exploratory learning: A research programme*

1989 • 105 citations

Conceptual change in science: A research programme*

1989 • 57 citations

Slopes and weathering

1982 • 26 citations

Information Technology in Education Research Programme 1988–93

1989 • 6 citations