Research reveals that repetitive checking behaviors actively degrade memory confidence despite leaving factual accuracy largely unharmed. This discrepancy leaves individuals unable to trust their accurate recollections, prompting persistent, difficult-to-resist impulses to check appliances and doors again. A 2006 study highlighted this effect when participants who repeatedly checked a stove reported a noticeable decrease in the detail and vividness of their memories. To manage these behaviors, experts suggest practicing single, fully attentive checks and learning to differentiate between legitimate concerns and chronic doubts.
Key points
Repeatedly verifying everyday tasks undermines a person's faith in their memory rather th…: Repeatedly verifying everyday tasks undermines a person's faith in their memory rather than providing lasting reassurance.
Performing a single deliberate check with full attention can help mitigate the urge to en…: Performing a single deliberate check with full attention can help mitigate the urge to engage in repetitive behaviors.
Individuals should seek professional guidance when repetitive checking habits become dist…: Individuals should seek professional guidance when repetitive checking habits become distressing and disrupt their regular daily routines.
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You are halfway down the stairs when a thought suddenly crosses your mind: Did I turn off the bathroom tap? You remember closing it, but you are not completely sure. You go back, check it and leave again.
A few minutes later, another doubt appears. Was the front door properly locked? You may have checked it before leaving, but now you feel the need to return and try the handle once more.
For some people, this happens regularly. They check the taps, switches, gas knobs and door locks before leaving home, yet the reassurance does not always last. Even after confirming that everything is in order, they may find themselves questioning whether they checked properly.
Psychology offers one possible explanation: repeated checking can be connected to uncertainty and reduced confidence in one's own memory. In some cases, the more a person checks, the less certain they may feel.
Why checking something again may make you trust your memory less
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2023 systematic review titled ‘Memory confidence and memory accuracy deterioration following repeated checking’ examined 29 studies involving 2,180 participants. The…
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