Download or read book The Perceptions of Illinois Administrators Regarding Post-tenure Productivity of Public School Teachers written by Steve D. Webb and published by . This book was released on 2006 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: A sample of 150 principals and 150 superintendents were used in this study. In order to best represent the state, a stratified sample of 50 participants from each super-region, as defined by the Illinois Association of School Administrators as the Northern, Central and Southern regions, was used. A total of 133 principals and 142 superintendents responded for an overall return of 275.