How are habits formed: Modelling habit formation in the real world

Lally, van Jaarsveld, Potts, Wardle · 2010 · European Journal of Social Psychology 40(6):998–1009

Observational study · Rang 5 von 9

What this work gives Aellic

“The median time to reach 95 % of asymptote was 66 days, with a range from 18 to 254 days.” A habit takes a median of 66 days to become automatic, with considerable spread — not 21 days. To be cited before any statement of the kind “you have built a habit”. The curve was fitted for 39 of 96 participants.

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