When I think back to my first job as a psychologist in child protection, my colleagues were fond of harmless pranks. It was common to hear shrieks of laughter when people realised that the letters on their key board had been switched, their office chairs were missing, or they spotted a plastic spider in their office drawer. The unexpected laughter was a welcome relief in this emotionally draining work environment. Yet today's workplaces seem to be characterised by silence. D
