1. The Lengthening of Childhood
2. Investing in Preschool Programs
3. Empirical Benchmarks for Interpreting Effect Sizes in Research
4. Lafortune, Julien, Laura Hill, and Mary Severance. 2023. Assessing Transitional Kindergarten's Impact on Elementary School Trajectories. Stanford, CA: Public Policy Institute of California.
5. Manship, Karen, Heather Quick, Aleksandra Holod, Nicholas Mills, Burhan Ogut, Jodi Jacobson Chernoff, Jarah Blum, Alison Hauser, Jennifer Anthony, and Raquel González. 2015. Impact of California's Transitional Kindergarten Program, 2013-14. San Mateo, CA: American Institutes for Research.