Social image manipulation and the participation constraint

Last registered on January 09, 2025

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.

Locations

There is information in this trial unavailable to the public. Use the button below to request access.

Request Information

Primary Investigator

Affiliation
Sciences Po & Paris School of Economics

Other Primary Investigator(s)

PI Affiliation
CNRS, Sciences Po & CEPR
PI Affiliation
Sciences Po & CEPR
PI Affiliation
Paris School of Economics & Université Paris 1 Panthéon-Sorbonne

Additional Trial Information

Status
In development
Start date
2024-11-29
End date
2025-11-26
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. 2025. "Social image manipulation and the participation constraint." AEA RCT Registry. January 09. https://doi.org/10.1257/rct.14911-1.0
Experimental Details

Interventions

Intervention(s)
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
Not available
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)
IRB

Institutional Review Boards (IRBs)

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

There is information in this trial unavailable to the public. Use the button below to request access.

Request Information