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Explaining why Reddit posts are removed helps people comply with rules

Social media sites could cut the flow of unsavoury material by a fifth by better explaining their rules, according to a study of 32 million posts on Reddit
Reddit on a phone
Reddit moderators could be more effective by explaining their decisions
Omar Marques/SOPA Images/ZUMA Wire/Alamy Live News

Social media platforms struggling to tackle the tide of misinformation and unsuitable content could cut its flow by a fifth by better explaining their rules. That is the finding of a large-scale study of 32 million posts on popular discussion site Reddit.

On Reddit, volunteer moderators clear forums, called subreddits, of unsuitable or off-topic material. Moderators take different approaches, however. Some explain why they have removed the content, but about 99 per cent simply take it down without explanation.

Shagun Jhaver at the Georgia Institute of Technology and his colleagues have found that those who have had their posts removed – with or without explanation – are less likely to continue posting. But those who aren’t provided with a reason why their content was taken down have a higher likelihood of further posts being removed than those who are given an explanation.

Another study by the team found that 37 per cent of Reddit users surveyed didn’t understand why their post was removed, and 29 per cent felt frustrated that it had been.

The group calculated that if all post removals were accompanied with an explanation, the odds of future removals would drop by 20.8 per cent. The team will present the work at the Conference on Computer-Supported Cooperative Work and Social Computing in Texas in November.

While the system works in small communities, it may be hard to scale across a larger site such as YouTube, which has been criticised for its opaque rules on what is acceptable content.
“Moderators have to be careful about how they articulate their policies,” says Kat Lo at the University of California, Irvine. “It has to be able to move between many different types of context.”

Topics: Social media