Andrea B. Hollingshead is Professor of Communication in the Annenberg School for Communication and Journalism at the University of Southern California. She has joint appointments in the Marshall School of Business and the Department of Psychology and is co-director of the Annenberg Program for Online Communities Research Initiative. Professor Hollingshead's research concerns the factors and processes that lead to effective and ineffective knowledge sharing in work groups. Her research also addresses how groups collaborate and create community using communication technologies. Marshall Scott Poole is a Professor in the Department of Communication and Director of the Institute for Computing in the Humanities, Arts, and Social Science at the University of Illinois Urbana-Champaign. His current research foci include team behavior in massive multiplayer online games, the use of information technology in emergency response, and integrating theories of small groups and social networks in the explanation of large, dynamically changing groups and intergroup networks.

• Part 1: Planning and Design Part 2: Experiments Part 3: Simulation Part 4: Analysis Part 5: New Challenges

Andrea B. Hollingshead is Professor of Communication in the Annenberg School for Communication and Journalism at the University of Southern California. She has joint appointments in the Marshall School of Business and the Department of Psychology and is co-director of the Annenberg Program for Online Communities Research Initiative. Professor Hollingshead's research concerns the factors and processes that lead to effective and ineffective knowledge sharing in work groups. Her research also addresses how groups collaborate and create community using communication technologies. Marshall Scott Poole is a Professor in the Department of Communication and Director of the Institute for Computing in the Humanities, Arts, and Social Science at the University of Illinois Urbana-Champaign. His current research foci include team behavior in massive multiplayer online games, the use of information technology in emergency response, and integrating theories of small groups and social networks in the explanation of large, dynamically changing groups and intergroup networks.

• Part 1: Planning and Design Part 2: Experiments Part 3: Simulation Part 4: Analysis Part 5: New Challenges

Andrea B. Hollingshead is Professor of Communication in the Annenberg School for Communication and Journalism at the University of Southern California. She has joint appointments in the Marshall School of Business and the Department of Psychology and is co-director of the Annenberg Program for Online Communities Research Initiative. Professor Hollingshead's research concerns the factors and processes that lead to effective and ineffective knowledge sharing in work groups. Her research also addresses how groups collaborate and create community using communication technologies. Marshall Scott Poole is a Professor in the Department of Communication and Director of the Institute for Computing in the Humanities, Arts, and Social Science at the University of Illinois Urbana-Champaign. His current research foci include team behavior in massive multiplayer online games, the use of information technology in emergency response, and integrating theories of small groups and social networks in the explanation of large, dynamically changing groups and intergroup networks.

• Part 1: Planning and Design Part 2: Experiments Part 3: Simulation Part 4: Analysis Part 5: New Challenges