| Organization | Activity | Dates |
|---|
| Association for Library & Information Science Education | Pratt-Severn Faculty Innovation Award Committee | 2006-07 |
| Association for Computational Linguistics | Program Committee | 1981 |
| American Educational Research Association | Program Committees | 1998 (C, K), previous years back to 1980 |
| | Sylvia Scribner Award Committee | 1992-93 |
| Association for Computational Linguistics | Program Committee | 1981 |
| | Executive Board | 1977-80 |
| Association for Computing Machinery | Faculty Sponsor, Rutgers U. | 1971-74 |
| | Student Chapter President, U. of Texas at Austin | 1969-70 |
| Computer Supported Cooperative Learning | Program Committee | 1995 |
| Computer Supported Cooperative Work | Special Issue on computer-supported collaborative writing | 1995 |
| | Program Committee | 1988 |
| Dialogues in Methods of Education | Member | 1990-2010 |
| International Conference on Computers in Education | Program Committee | 1998 |
| International Reading Association | New Literacies Committee | 2006-2010 |
| | Visual Arts & Reading Committee | 1994-95 |
| | Conference reviewer | various |
| John Dewey Society | Member | 2000-present |
| Joint Conference on Digital Libraries | Program Committee | 2006 |
| National Council of Teachers of English | Regional Publications Advisory Committee | 1993-2010 |
| | Instructional Technology Committee (NCTENet) | 1992-96 |
| National Reading Conference | Technology Committee | 1994-2010 |
| | Committee on Contributions & Donations | 1992-95 |
| | Program Committees | various |
| World Universities Congress, Çanakkale Onsekiz Mart Üniversitesi | International Scientific Advisory Committee |