It’s a sunny day at Jones Beach on Long Island, New York. A stranger leaves a radio beside their towel and strolls off for a swim. Another person wanders over, casually picks it up and starts to walk away. Most people watching do very little.
That was the uncomfortable point of a set of bystander experiments led by psychologist Thomas Moriarty in the 1970s. When people simply witnessed the apparent theft, only a small minority intervened. But when the towel owner had spoken to someone nearby first, asking them to keep an eye on their things, intervention rocketed, from 20% to 95%. Some even intervened physically, to make sure they followed through on their commitment to accountability.
In identical circumstances, the crucial difference was not courage, it was ownership.
In the modern workplace, we see the beach-towel effect all the time. A customer issue sits in an inbox. A deadline begins to drift. A meeting ends with a vague promise that “we” will sort it. Everyone can see the problem, yet no one quite feels it’s theirs to address.
This isn’t necessarily laziness or a lack of good intent. It’s what predictably happens when responsibility is shared but accountability is not clear. In a busy organisation, ambiguity is very efficient at creating a lack of ownership.
The practical lesson is simple: make ownership explicit and personal. Rather than asking, “Can somebody pick this up?”, try, “Sam, can you own this and let us know by 3pm what you need?” Rather than ending with “we need to improve communication”, agree who will do what, by when, and how everyone will know it is done.
Good accountability is not about catching people out or micromanagement. It’s really about creating the conditions in which capable people can act with confidence. It’s often said that ‘clear is kind’. Clarity says: “This matters. You are trusted to take it forward. Here is what good looks like.”
So, before your next meeting ends, run the beach-towel test. If something important were about to be carried away, would everyone assume someone else had it covered? Or would one person know, clearly, that they were expected to step in?
That small shift can be the difference between a team that notices problems and a team that solves them.
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