BiasMemory & retrieval · Memory Bias · Entry 172

Consistency Bias – when you believe you’ve always thought the way you do now

Electric editorial collage illustrating Consistency Bias

Are you convinced you’ve always supported healthy living, but ten years ago you ate fast food daily? That’s Consistency Bias – the tendency to remember past beliefs and behaviors as being consistent with your current ones.

Where it can show up


- Politics & beliefs – people think their opinions never changed, even when past evidence suggests otherwise.
- Habits & behavior – you feel like you’ve always been disciplined, but your younger self would disagree.
- Relationships & work – you recall always valuing your job or partner, though you had doubts in the past.

A practical countermeasure


- Review old records – journals, posts, or conversations may reveal how your views evolved.
- Accept mental growth – it’s okay to change opinions rather than pretending you’ve always been the same.
- Be honest with yourself – ask, ‘What did I actually think back then?’