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Why working alongside another human — physically or virtually — reliably helps people start, sustain, and finish tasks.[1]
Body doubling is a behavioral technique where a person (the "doer") works on a task in the presence of another person. Commonly used in ADHD management, it leverages social presence to boost initiation and reduce distraction.[2][3]
People are more likely to start and persist with tasks when they expect to be seen and to report outcomes.[2]
Lab studies in social psychology, field experiments on buddy systems, and digital intervention trials all confirm positive effects of accountability and co-working.[4][6] Importantly, effects vary: while some studies note boosts on simple or routine tasks[4], others caution that complex or highly demanding work may not benefit equally[5]. Likewise, personal differences matter — introverts or highly anxious participants sometimes report discomfort in co-working situations[3].