IZABELA ZYCH2026-01-292026-01-29201910.1016/j.chb.2019.05.0372-s2.0-85067832948https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/30549Arts and Humanities (miscellaneous)Human-Computer InteractionPsychology (all)Is cyberbullying a group process? Online and offline bystanders of cyberbullying act as defenders, reinforcers and outsidersresearch article