30/03/2011 11:26 BST | Updated 22/05/2015 10:12 BST

One In Five Teenagers Take Part In 'Risky Texting'

A new study from has revealed that one in five under 16s takes part in 'risky texting', where they send a message to a made up number, and wait for a reply.

The study also discovered that two thirds of those asked have added or accepted someone they don't know on Facebook as a friend and 22) boredom (42). Those that had sent a a text to an unknown number had received a text in over half of the cases (54%).

The study shows that teenagers and young children can just as easily be the person harassing others, as they can being the victim. The trend appears to be largely based on peer pressure and loneliness. It also shows that one in three have run into trouble when playing Text Roulette, but this doesn't seem to be stopping them.

Have you heard of these dangerous mobile games before?