The document lists the 2008 impact factors for 87 journals in the categories of education and educational research, special education, and educational psychology. The journal with the highest impact factor is Research and Developmental Disabilities with a score of 4.475. Child Development has the highest total cites and 5-year impact factor. Many journals have impact factors between 1 and 2 and half-lives of 5-10 years, indicating they moderately influence the field over several years.