The authors investigated whether people differ in their propensity to form habits, by relating individual differences on a computer task measuring habitual behavior to habit formation tendencies in real life. Habit formation in real life was measured by covering the key to the participant’s home with a new cover. This cover was later switched to a different key and changes in the key-selection process were measured. Participants that performed better on the computer task also seemed to require less attention to adjust to the switching key situation.
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Linnebank, F.E., Kindt, M. & de Wit, S. (2018). Investigating the balance between goal-directed and habitual control in experimental and real-life settings. Learning & Behavior. https://doi.org/10.3758/s13420-018-0313-6