“There is far more child abuse going on out there than ever gets reported. It’s a major concern; it’s something everyone needs to pull together and do something about.”

Peter Davies, chief executive of the Child Exploitation and Online Protection centre

“Children are more likely to be influenced by people who are their own age, who share the same experiences and who live close by, such as friends and family, rather than by actors or sports stars.”

Simon Brownhill, Derby University, on a survey of young children’s attitudes to role models.