Trust in banks in the wake of a major financial crisis : a vignette survey experiment on Lebanese students

Last registered on April 18, 2023

Pre-Trial

Trial Information

General Information

Title
Trust in banks in the wake of a major financial crisis : a vignette survey experiment on Lebanese students
RCT ID
AEARCTR-0011283
Initial registration date
April 17, 2023

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
April 18, 2023, 5:20 PM EDT

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

Locations

Region

Primary Investigator

Affiliation
Paris Nanterre University

Other Primary Investigator(s)

PI Affiliation
La Sagesse University
PI Affiliation
Saint Joseph University

Additional Trial Information

Status
In development
Start date
2023-04-18
End date
2023-05-06
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This study investigates the opinion of Lebanese students on bank trust in the wake of the recent Lebanese banking crisis. Using a vignette experiment, we explore the causal effects on trust of bank and deposit characteristics. Using an individual post-vignette survey, we explore how trust in banks is also associated with respondent socio-demographic characteristics and attitudinal opinions.
External Link(s)

Registration Citation

Citation
Alsaghir, Loubna, Etienne Harb and Élisabeth Tovar. 2023. "Trust in banks in the wake of a major financial crisis : a vignette survey experiment on Lebanese students." AEA RCT Registry. April 18. https://doi.org/10.1257/rct.11283-1.0
Sponsors & Partners

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Experimental Details

Interventions

Intervention(s)
The vignette survey experiment will be completed in paper format by Lebanese university students, during one of their classes, in the presence of their teacher. Respondents will not be incentivized.
Intervention Start Date
2023-04-18
Intervention End Date
2023-05-06

Primary Outcomes

Primary Outcomes (end points)
Ordinal ranking of the two banks
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Acceptable alternative solutions.
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
Each vignette consists of a short description of an agent who asks for advice on the best bank where to deposit an extra income.

Respondents will be asked which bank they would advise the agent to go to, as well as other solutions they would advise the agent to use.

The factors included in the vignette design echo major determinants of bank trust:
• Bank characteristics
• Deposit characteristics

Each student will randomly be assigned 1 version out of the 16 possible versions of the vignette.

After the vignette, a post-experimental individual survey collects information on sociodemographic characteristics and opinions.
Experimental Design Details
Randomization Method
Each individual respondent randomly received a version of the vignette among the pool of 16 alternative versions of the vignette. Randomization will not be stratified.
Randomization Unit
Randomization Unit is : individual students.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
No clustering of treatments.
Sample size: planned number of observations
1,600 individual students
Sample size (or number of clusters) by treatment arms
approximately 100 students
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Estimated number of respondents by version is about 100. This is consistent with an acceptable predictive power (5 % significance level, 80 % power and medium size effects, h=0,5).
Supporting Documents and Materials

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IRB

Institutional Review Boards (IRBs)

IRB Name
Saint Joseph University IRB
IRB Approval Date
2023-04-04
IRB Approval Number
USJ 2022-18
IRB Name
CNRS
IRB Approval Date
2023-04-14
IRB Approval Number
CNRS DPD/2023-001

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