POLITICAL IDENTITIES, INFORMATION DEMAND AND PROCESSING (WAVE 3)

Last registered on November 21, 2021

Pre-Trial

Trial Information

General Information

Title
POLITICAL IDENTITIES, INFORMATION DEMAND AND PROCESSING (WAVE 3)
RCT ID
AEARCTR-0008584
Initial registration date
November 17, 2021
Last updated
November 21, 2021, 11:02 PM EST

Locations

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Primary Investigator

Affiliation
University of Michigan

Other Primary Investigator(s)

PI Affiliation
Goethe University Frankfurt
PI Affiliation
Johannes Gutenberg University Mainz
PI Affiliation
Goethe University Frankfurt

Additional Trial Information

Status
In development
Start date
2021-11-19
End date
2022-01-30
Secondary IDs
Prior work
This trial is based on or builds upon one or more prior RCTs.
Abstract
This study constitutes the third wave of our panel study on the role of social identity and ``groupiness'' in the demand for and processing of information using an online experiment with a representative sample of the US population. The first wave was deployed the week before the 2020 US presidential election, where 1,004 participants played a set of games and predicted both the outcomes of the 2020 presidential election and policy-sensitive statistics a year after the election conditional on its outcome. Wave 2 was conducted in January 2021, after the inauguration of President Biden. In Wave 3, we will repeat the main measurements of Wave 1 and further explore the mechanisms behind participants' biased information demand and processing uncovered in the first two waves. Specifically, participants will again play the other-other allocation games, which measure the individual ingroup bias in information demand and processing. In addition, they will be given new information processing tasks, and complete the Rosenberg Self-Esteem Scale.
External Link(s)

Registration Citation

Citation
Bauer, Kevin et al. 2021. "POLITICAL IDENTITIES, INFORMATION DEMAND AND PROCESSING (WAVE 3)." AEA RCT Registry. November 21. https://doi.org/10.1257/rct.8584-1.1
Experimental Details

Interventions

Intervention(s)
The current study constitutes the third wave of our panel study on the role of social identity and ``groupiness'' in the processing of and demand for information. In Wave 3, we will repeat the main measurements of Wave 1 and further explore the mechanisms behind participants' biased information demand and processing uncovered in the first two waves. Specifically, participants will again play the other-other allocation games, which measure the individual ingroup bias in information demand and processing. In addition, they will be given new information processing tasks, and complete the Rosenberg Self-Esteem Scale.
Intervention Start Date
2021-11-20
Intervention End Date
2021-12-20

Primary Outcomes

Primary Outcomes (end points)
1. (Groupiness) Difference in money allocated to members of different groups, in the neutral, geographic and the political identities allocation tasks.

2.. (Information Processing) Difference in beliefs about mask wearing after reading two articles.
Primary Outcomes (explanation)
(Self esteem) Individual self esteem measured by the Rosenberg Self Esteem Scale.

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
The current study constitutes the third wave of our panel study on the role of social identity and ``groupiness'' in the processing of and demand for information. In Wave 3, we will repeat the main measurements of Wave 1 and further explore the mechanisms behind participants' biased information demand and processing uncovered in the first two waves. Specifically, participants will again play the other-other allocation games, which measure the individual ingroup bias in information demand and processing. In addition, they will be given new information processing tasks, and complete the Rosenberg Self-Esteem Scale.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer.
Randomization Unit
Individual.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
1004 individuals
Sample size: planned number of observations
1004 individuals
Sample size (or number of clusters) by treatment arms
1004 individuals, 502 exposed to left-leaning news article, and 502 exposed to right-leaning news article.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
See Wave 1.
Supporting Documents and Materials

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IRB

Institutional Review Boards (IRBs)

IRB Name
Goethe University Frankfurt IRB
IRB Approval Date
2020-10-22
IRB Approval Number
N/A
Analysis Plan

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