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Experimental study of individual effort under different contract schemes
Last registered on October 31, 2019

Pre-Trial

Trial Information
General Information
Title
Experimental study of individual effort under different contract schemes
RCT ID
AEARCTR-0002648
Initial registration date
December 22, 2017
Last updated
October 31, 2019 7:24 AM EDT
Location(s)

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Primary Investigator
Affiliation
ETH Zurich
Other Primary Investigator(s)
PI Affiliation
University of Basel
Additional Trial Information
Status
On going
Start date
2017-12-01
End date
2020-04-30
Secondary IDs
Abstract
The envisioned experimental laboratory study aims at examining the effectiveness of incentives among heterogeneous populations.
External Link(s)
Registration Citation
Citation
Klenk, Christopher and Christian Waloszek. 2019. "Experimental study of individual effort under different contract schemes." AEA RCT Registry. October 31. https://doi.org/10.1257/rct.2648-3.1.
Former Citation
Klenk, Christopher and Christian Waloszek. 2019. "Experimental study of individual effort under different contract schemes." AEA RCT Registry. October 31. https://www.socialscienceregistry.org/trials/2648/history/56253.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
In three treatment arms and one control group, a number of incentive mechanisms are randomly assigned to different subjects.
Intervention Start Date
2018-01-26
Intervention End Date
2018-06-20
Primary Outcomes
Primary Outcomes (end points)
Effort provided in a real-effort task.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Between subjects design.
Experimental Design Details
Not available
Randomization Method
Treatments randomized by laboratory computer software.
Randomization Unit
Individual
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
400 laboratory subjects
Sample size: planned number of observations
400 laboratory subjects
Sample size (or number of clusters) by treatment arms
Total of 100 experimental subjects per treatment arm (combining both experimental and pilot subjects).
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
IRB Approval Date
IRB Approval Number