“…Self-reported bullying was based on the Bullying and Friendship Interview schedule (Wolke, Woods, Bloomfield, & Karstadt, 2000), a validated measure of bullying behaviour (Griffiths et al, 2006;Schreier et al, 2009). The scale included 13 behavioural descriptions (Wolke, Lee, & Guy, 2017) and assessed three different types of bullying, i.e., direct (e.g., "been hit or beaten up"), relational (e.g., "had lies / nasty things spread about you") and cyber (e.g. "had embarrassing pictures posted online without permission").…”