One area of her research examines the use and outcomes of universal screening measures within a multi-tiered system of support for social, emotional, and behavioral concerns. She has worked with many schools and districts to support implementation of this system and screening practice via multiple funded research projects, consultation, and/or professional development workshops. In this area, she has used real-world datasets from partner schools to examine the factoral validity, consequential validity, and/or stability of four different screening measure, as well as the effects of between teacher differences on teacher ratings of student behavior. Dr. Splett also conducts research to identify cognitive-behavioral intervention strategies to reduce relational aggression and bullying in middle schools