1. Allison, P. (2014, June 13). Listwise deletion: It’s not evil. https://statisticalhorizons.com/listwise-deletion-its-not-evil
2. Bear, G. G., Yang, C., Harris, A., Mantz, L., Boyer, D. & Hearn, S. (2019). Technical Manual for the Delaware School Survey: Scales of school climate; bullying victimization; student engagement; positive, punitive, and social emotional learning techniques; and social and emotional competencies. Center for Disability Studies at University of Delaware and Delaware Department of Education.
3. Predicting Perceptions of Fear at School and Going to and From School for African American and White Students: The Effects of School Security Measures
4. Delaware School Climate Survey—Student: Its factor structure, concurrent validity, and reliability
5. Beyond the Individual: The Impact of Ethnic Context and Classroom Behavioral Norms on Victims' Adjustment.