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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