| Introduction : essays on technology, interaction, and cognition | 1 |
| I | Design of computer support for collaboration | |
| Studies of technology design | 25 |
| 1 | Share globally, adapt locally | 31 |
| 2 | Evolving a learning environment | 47 |
| 3 | Armchair missions to Mars | 65 |
| 4 | Supporting situated interpretation | 81 |
| 5 | Collaboration technology for communities | 93 |
| 6 | Perspectives on collaborative learning | 119 |
| 7 | Groupware goes to school | 155 |
| 8 | Knowledge negotiation online | 177 |
| II | Analysis of collaborative knowledge building | |
| Studies of interaction analysis | 193 |
| 9 | A model of collaborative knowledge building | 201 |
| 10 | Rediscovering the collaboration | 213 |
| 11 | Contributions to a theory of collaboration | 227 |
| 12 | In a moment of collaboration | 245 |
| 13 | Collaborating with relational references | 257 |
| III | Theory of group cognition | |
| Studies of collaboration theory | 277 |
| 14 | Communicating with technology | 285 |
| 15 | Building collaborative knowing | 303 |
| 16 | Group meaning / individual interpretation | 331 |
| 17 | Shared meaning, common ground, group cognition | 347 |
| 18 | Making group cognition visible | 361 |
| 19 | Can collaborative groups think? | 385 |
| 20 | Opening new worlds for collaboration | 409 |
| 21 | Thinking at the small-group unit of analysis | 431 |