![]() ![]() Crowdsourcing can improve the quality and speed of medical research projects by leveraging the crowd for large-scale problem solving, data processing, surveillance/monitoring, and surveying. Crowdsourcing, broadly defined, is a type of participative online activity in which an entity proposes the voluntary undertaking of a task to a group of individuals. Crowdsourcing provides a scalable alternative to the current diagnostic evaluations for ASD that include extensive and lengthy clinical evaluation by a trained professional and are inaccessible to families in rural areas as well as those with low incomes. ![]() Furthermore, obtaining a professional diagnosis is often prohibitively expensive for much of the global population. Obtaining a diagnosis of ASD, like that of many other neuropsychiatric conditions, requires long waiting times, often exceeding a year. A two-tailed t test between the scores of the paid workers in Study 1 and the unpaid workers in Study 3 showed a significant difference ( P<.001).Īutism spectrum disorder (ASD, or autism) is a complex neurodevelopmental disorder that manifests in children by or before 3 years of age and now impacts 1 in 40 children in the United States. There were weak correlations between age and score ( r=0.22, P=.014), age and sensitivity ( r=–0.19, P=.04), number of family members with autism and sensitivity ( r=–0.195, P=.04), and number of family members with autism and precision ( r=–0.203, P=.03). For Study 3, the mean score of the participants who completed all questions was 6.67/10 (SD 1.61). All paid crowd workers who scored 8/10 in Study 1 either expressed enjoyment in performing the task in Study 2 or provided no negative comments. The average deviation between the crowdsourced answers and gold standard ratings provided by two expert clinical research coordinators was 0.56, with an SD of 0.51 (maximum possible SD is 3). For Study 2, the mean score of the participants rating new videos was 6.76/10 (SD 0.59). When only analyzing the workers who scored ≥8/10 (n=27/54), there was a weak negative correlation between the time spent rating the videos and the sensitivity (ρ=–0.44, P=.02). For Study 1, the mean score of the participants who completed all questions was 7.50/10 (SD 1.46). ![]()
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