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Strategy vs. Direct Response Method
Last registered on September 20, 2019

Pre-Trial

Trial Information
General Information
Title
Strategy vs. Direct Response Method
RCT ID
AEARCTR-0004737
Initial registration date
September 20, 2019
Last updated
September 20, 2019 9:44 AM EDT
Location(s)

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Primary Investigator
Affiliation
Beijing Normal University
Other Primary Investigator(s)
PI Affiliation
Harbin Institute of Technology, Shenzhen
Additional Trial Information
Status
In development
Start date
2019-10-07
End date
2020-10-06
Secondary IDs
Shenzhen Peacock Plan
Abstract
This document outlines a plan for an experiment that investigates when behavior in experiments that employ the strategy method coincides with or differs from experiments that use the direct response method.
External Link(s)
Registration Citation
Citation
Chen, Zhuoqiong and Marcus Roel. 2019. "Strategy vs. Direct Response Method." AEA RCT Registry. September 20. https://doi.org/10.1257/rct.4737-1.0.
Experimental Details
Interventions
Intervention(s)
n/a
Intervention Start Date
2019-10-07
Intervention End Date
2020-10-06
Primary Outcomes
Primary Outcomes (end points)
Player 1 and Player 2 choices.
Primary Outcomes (explanation)
n/a
Secondary Outcomes
Secondary Outcomes (end points)
Player beliefs; Control questions with regards to experimental instructions; survey questions such as gender, age, location, field of study, type of degree, employment status, household income, and previous experience with experiments
Secondary Outcomes (explanation)
n/a
Experimental Design
Experimental Design
n/a
Experimental Design Details
Not available
Randomization Method
randomization is automatically done by a computer at the time the individual starts the experiment
Randomization Unit
the unit (clusters) of randomization in our experiment is at the individual level
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
equals the total number of participants
Sample size: planned number of observations
4000 people
Sample size (or number of clusters) by treatment arms
500 for each of the two strategy method treatments, 1500 for each of the two direct response method treatments
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
At a power of 80% and a significance level of 10%, the minimum detectable effect size is a difference of 10 percentage points.
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
IRB Approval Date
IRB Approval Number
Analysis Plan

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