Selection Neglect: Mechanisms and Individual Behavior

Last registered on November 30, 2022
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Pre-Trial

Trial Information

General Information

Title
Selection Neglect: Mechanisms and Individual Behavior
RCT ID
AEARCTR-0010536
Initial registration date
November 28, 2022

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
November 30, 2022, 4:41 PM EST

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

Locations

Country
United Kingdom of Great Britain and Northern Ireland
Region
Country
United States of America
Region

Primary Investigator

Name
Kai Barron
Affiliation
WZB
Contact Primary Investigator

Other Primary Investigator(s)

PI Name
Steffen Huck
PI Affiliation
UCL and WZB Berlin
Contact Investigator
PI Name
Philippe Jehiel
PI Affiliation
PSE and UCL
Contact Investigator

Additional Trial Information

Status
In development
Start date
2022-11-29
End date
2023-07-31
Keywords
Lab
Additional Keywords
Experiment; Beliefs; Selection Neglect
JEL code(s)
C11, C90, D80, D83
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This pre-registration document outlines a new follow-up experiment that builds on the existing experiment already reported in Barron et al. (2019) in the working paper entitled "Everyday econometricians: Selection neglect and overoptimism when learning from others".
External Link(s)
Experiment that this pre-registration builds on

Registration Citation

Citation
Barron, Kai, Steffen Huck and Philippe Jehiel. 2022. "Selection Neglect: Mechanisms and Individual Behavior." AEA RCT Registry. November 30. https://doi.org/10.1257/rct.10536-1.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
Please see the attached pdf for details.
Intervention Start Date
2022-11-29
Intervention End Date
2023-01-31

Primary Outcomes

Primary Outcomes (end points)
Investment choices and threshold strategy followed. (Please see the attached pdf for details.)
Primary Outcomes (explanation)
Please see the attached pdf for details.

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We will have seven between-subject treatment conditions that vary the decision environment in which individuals make investment decisions.
Experimental Design Details
Please see the attached pdf for details.
Randomization Method
Qualtrics randomization.
Randomization Unit
Randomization at the individual participant level.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
800
Sample size: planned number of observations
800
Sample size (or number of clusters) by treatment arms
One treatment with a sample size of 200 (3-Dice PastData treatment) and six treatments with a sample size of 100 each. This will yield a total sample size of 800.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials

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IRB

Institutional Review Boards (IRBs)

IRB Name
WZB Research Ethics Review
IRB Approval Date
2020-12-09
IRB Approval Number
2020/0/107
Analysis Plan

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