Snyder, F., Flay, B., Vuchinich, S., Acock, A., Washburn, I., Beets, M., & Li, K. (2010). Impact of a social-emotional and character development program on school-level indicators of academic achievement, absenteeism, and disciplinary outcomes: A matched-pair, cluster randomized, controlled trial.

Snyder, Frank, Brian Flay, Samuel Vuchinich, Alan Acock, Isaac Washburn, Michael Beets, i Kin-Kit Li. Impact of a Social-emotional and Character Development Program On School-level Indicators of Academic Achievement, Absenteeism, and Disciplinary Outcomes: A Matched-pair, Cluster Randomized, Controlled Trial. 2010.

Snyder, Frank, et al. Impact of a Social-emotional and Character Development Program On School-level Indicators of Academic Achievement, Absenteeism, and Disciplinary Outcomes: A Matched-pair, Cluster Randomized, Controlled Trial. 2010.