This study was conducted to investigate the effects of the National Board Certification Pilot Project in Iowa. Initiated in 1998, the Project provides monetary incentives for teacher certification, reimbursement for registration fees, and a support program for teachers pursuing certification. The effects of this program on teachers professional development, provision of professional services, teacher induction and retention, and teaching quality were studied. Overall, 564 of the 1,018 teachers surveyed responded (55%). In addition, 287 principals of teachers who have been involved in certification were also surveyed. And 134 responded (47%). General findings indicate that teachers who have been involved in National Board Certification in Iowa are more involved in professional development activities, and provide more professional services to their school districts. They also demonstrate significant differences in teaching quality when compared to teachers who have not been involved in the certification process. The survey instruments are attached, and an appendix contains supplemental data tables. (Contains 23 tables, 29 figures, and 8 references.) (SLD)