A parent who volunteered to be part of ITV Daybreak's investigation into what children would do if approached by a stranger said the results were a "rude awakening".
Natasha said she had not slept for two weeks since the experiment and has been much more vigilant.
More top news
Ofcom has been asked by cable giant Virgin Media to open a formal investigation into the way the Premier League sells its TV rights
The whole tooth: Five fascinating dental facts
Newcastle boss Alan Pardew's job is under no immediate threat despite a winless start to the Premier League season.