Social image manipulation and the participation constraint

Last registered on February 22, 2026
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Pre-Trial

Trial Information

General Information

Title
Social image manipulation and the participation constraint
RCT ID
AEARCTR-0014911
Initial registration date
November 26, 2024

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
January 09, 2025, 10:52 AM EST

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Last updated
February 22, 2026, 9:19 AM EST

Last updated is the most recent time when changes to the trial's registration were published.

Locations

Country
France
Region

Primary Investigator

Name
Itzhak Rasooly
Affiliation
Sciences Po & Paris School of Economics
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Other Primary Investigator(s)

PI Name
Roberto Galbiati
PI Affiliation
CNRS, Sciences Po & CEPR
Contact Investigator
PI Name
Emeric Henry
PI Affiliation
Sciences Po & CEPR
Contact Investigator
PI Name
Nicolas Jacquemet
PI Affiliation
Paris School of Economics & Université Paris 1 Panthéon-Sorbonne
Contact Investigator

Additional Trial Information

Status
Completed
Start date
2024-11-29
End date
2025-11-26
Keywords
Behavior
Additional Keywords
JEL code(s)
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
Please see the attached PDF for details.
External Link(s)

Registration Citation

Citation
Galbiati, Roberto et al. 2026. "Social image manipulation and the participation constraint." AEA RCT Registry. February 22. https://doi.org/10.1257/rct.14911-2.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
Intervention (Hidden)
The basic idea is to consider the impact of imposing visibility on performance both with and without an ‘exit option’ for participants (which imposes a ‘participation constraint’). Accordingly, we have four treatments:
1. No disclosure/no exit
2. Disclosure/no exit
3. No disclosure/exit
4. Disclosure/exit
We will also include a fifth treatment (Disclosure/visible exit) which provides participants with an exit option but makes the act of exiting visible to others. Subjects are assigned to treatments with equal probabilities (1/5). Please see the attached PDF for details.
Intervention Start Date
2024-11-29
Intervention End Date
2024-12-13

Primary Outcomes

Primary Outcomes (end points)
Participation + effort (see attached PDF for details)
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
Please see the attached PDF for details.
Experimental Design Details
Randomization Method
In Qualtrics
Randomization Unit
Individual level
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
1,250 individuals
Sample size: planned number of observations
1,250 individuals
Sample size (or number of clusters) by treatment arms
1,250 individuals
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
Paris School of Economics
IRB Approval Date
2024-07-06
IRB Approval Number
2024-034
Analysis Plan

Analysis Plan Documents

Analysis plan

MD5: a56c02168599fbe43b9830d6ad240d9a

SHA1: 0101b974f0d869564f7a228ae78bd53ea9020aa7

Uploaded At: November 26, 2024

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials