Wash your hands

Studies (1)

1. 24 Oct 2026Paper

   Soap with a toy inside didn't clearly change how often caregivers washed hands
   UsedNo difference

   A toy inside the kids' soap didn't clearly change how often carers washed their hands, against a toy beside it.

   Randomised trial of 229 caregivers in a poor South African community · vs the same soap with the toy beside it · behaviour was recorded · ⚠ student thesis, not checked by other scientists; numbers unreliable; summary claims more than the results show

Often used with it

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  Rule · how3

  Reward yourself right after

  A reward that arrives immediately after doing it.