Answers are grounded in this paper and cite their sources.
(1991). Why Do Children Bully? An Evaluation of the Long-Term Effectiveness of a Whole-school Policy to Minimize Bullying. Pastoral Care in Education: Vol. 9, No. 4, pp. 8-12.
No takes yet. Share an insight, caveat, or question.
Thompson et al. (1991) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: