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Registration

Field Before After
Status in_development completed
Last Published June 08, 2016 06:03 AM March 19, 2019 06:27 AM
Study Withdrawn No
Intervention Completion Date December 31, 2016
Data Collection Complete Yes
Final Sample Size: Number of Clusters (Unit of Randomization) 24,365 individual taxpayers
Was attrition correlated with treatment status? No
Final Sample Size: Total Number of Observations 24365 individual taxpayers
Final Sample Size (or Number of Clusters) by Treatment Arms 6126 taxpayers control; 6066 taxpayers 30% cost reduction; 6090 taxpayers 30% cost refund; 6083 taxpayers 100% cost refund.
Data Collection Completion Date December 31, 2016
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