More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061. A high premium was placed on content accuracy, so item development in each topic area was coordinated by a research associate with a Ph.D. in a discipline closely related to that topic area. At any one time, we typically had one research associate in the physical sciences, one in the earth sciences, and two in the life sciences working on the project. In addition, all of the programming for the website and for the database where misconceptions, clarification statements, and drafts of items were stored was developed in-house. Horizon Research, Inc., served as evaluator for the project. A list of contributors (past and present) and their roles appears under Acknowledgments below. The initial work was supported by a grant from the

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.

More than 20 AAAS staff, scores of reviewers, over a thousand teachers, and more than 150,000 students have been involved in this effort since work began in 2004. The Project 2061 research and development team was led by George DeBoer, principal investigator and deputy director of Project 2061 and by Jo Ellen Roseman, co-principal investigator and director of Project 2061.