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Crowdsourcing for Food Purchase Receipt Annotation via Amazon Mechanical Turk: A Feasibility Study

Crowdsourcing for Food Purchase Receipt Annotation via Amazon Mechanical Turk: A Feasibility Study

All analyses were conducted using R version 3.2.4 (R Foundation) [24]. In total, 209 turkers participated in the consensus task and initiated or attempted 1346 assignments, among which 983 (73.03%) were approved or completed.

Wenhua Lu, Alexandra Guttentag, Brian Elbel, Kamila Kiszko, Courtney Abrams, Thomas R Kirchner

J Med Internet Res 2019;21(4):e12047


Health-E-Call, a Smartphone-Assisted Behavioral Obesity Treatment: Pilot Study

Health-E-Call, a Smartphone-Assisted Behavioral Obesity Treatment: Pilot Study

Baseline Technology Anxiety Scale scores were not associated with weight loss at 12 weeks (r=.102, P=.67) or 24 weeks (r=-.305, P=.19).

J Graham Thomas, Rena R Wing

JMIR Mhealth Uhealth 2013;1(1):e3