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Table 1 Configurations of the pilot crowdsourcing study

From: OC-2-KB: integrating crowdsourcing into an obesity and cancer knowledge base curation system

Data Number of assignments per HIT 400
  Reward per assignment $0.15
Estimated Total reward $60.0 (=400×$0.15)
  Fees to Mechanical Turk $24.0 (=400×$0.6)
  Total cost $84.0
Actual Cost Assignments done and approved 193
  Total reward $28.95
  Fees to Mechanical Turk $11.58
  Total cost $40.53