Some of her research interests include early math literacy, professional development for early childhood teachers and caregivers, online learning and course development in higher education, and teacher presence in online courses. Sheridan has been published in leading academic journals, delivered keynote speeches, and has presented her work at workshops and at national and international conferences. She teaches courses in assessment, child development and constructivist approaches to development. Currently she is the principle investigator on 2 grant-funded projects that focus on early math and the professional development of caregivers, teachers and leaders.