More Or Less: Behind The Stats

This week BBC Radio 4’s All in the Mind programme announced the results of The Loneliness Experiment. It was a large survey conducted by the programme in collaboration with the Wellcome Collection. The largest survey into the issue of loneliness to date, said All in the Mind, while the accompanying BBC press release reported that “The survey results indicate that 16-24 year olds experience loneliness more often and more intensely than any other age group. 40% of respondents aged 16-24 reported feeling lonely often or very often, while only 29% of people aged 65-74 and 27% of people aged over 75 said the same.” In the editors' notes, the press release cautions that “This was a self-selecting sample, so people experiencing loneliness might have been more attracted to take part, inflating reported levels of loneliness.” But much of the reporting by other BBC outlets and the wider media was not so restrained. Tim Harford speaks to Deirdre Toher from the University of the West of England about why the survey's re