Agree to Disagree? The Effect of Policy Alignment and Voice Pitch on Gendered Perceptions of Politicians

Last registered on June 11, 2024
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Pre-Trial

Trial Information

General Information

Title
Agree to Disagree? The Effect of Policy Alignment and Voice Pitch on Gendered Perceptions of Politicians
RCT ID
AEARCTR-0013374
Initial registration date
May 01, 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
May 13, 2024, 10:35 AM EDT

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

Last updated
June 11, 2024, 8:20 AM EDT

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

Locations

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Primary Investigator

Name
Yoko Okuyama
Affiliation
Uppsala University
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Other Primary Investigator(s)

PI Name
Seiki Tanaka
PI Affiliation
University of Groningen
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PI Name
Reiko Kage
PI Affiliation
The University of Tokyo
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Additional Trial Information

Status
In development
Start date
2024-05-13
End date
2024-08-31
Keywords
Electoral, Gender
Additional Keywords
pitch, vocal cue, political attitude, gender stereotype
JEL code(s)
J16, D72
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
How do voters apply gender stereotypes when assessing candidates? This study will use a survey experiment to explore how voice pitch and policy agreement affect voter perceptions of female politicians. Specifically, it will examine the combined effect of a candidate's voice pitch and policy stance on voter evaluations.
External Link(s)

Registration Citation

Citation
Kage, Reiko, Yoko Okuyama and Seiki Tanaka. 2024. "Agree to Disagree? The Effect of Policy Alignment and Voice Pitch on Gendered Perceptions of Politicians." AEA RCT Registry. June 11. https://doi.org/10.1257/rct.13374-2.0
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Experimental Details

Interventions

Intervention(s)
A hypothetical candidate's policy positions in a different voice pitch.
Intervention Start Date
2024-05-31
Intervention End Date
2024-06-30

Primary Outcomes

Primary Outcomes (end points)
1) the likelihood of voting for the candidate; 2) the perceived potential of the candidate; and 3) the assessment of the candidate’s capability.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
Participants are randomly selected from an opt-in online panel maintained by a Japanese survey firm, stratified by age (6 groups), region (8 regions), and sex (male and female). After indicating their agreement or disagreement with a gender-neutral policy issue, participants will listen to one of the six randomized recordings (see "Intervention"). They will then evaluate the candidate. Post-evaluation, agreement or disagreement with the candidate's policy stance is recorded along with demographic information.



Experimental Design Details
Not available
Randomization Method
Randomization will be carried out by the survey software Qualtrics.
Randomization Unit
Individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
2500 individuals (the treatment is not clustered)
Sample size: planned number of observations
2500 individuals
Sample size (or number of clusters) by treatment arms
T1: 500
T2: 500
T3: 500
T4: 500
Control 1: 250
Control 2: 250
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
Research Ethics Committee (CETO) of the Faculty of Arts, University of Groningen
IRB Approval Date
2023-12-11
IRB Approval Number
97266933 (reference number)
Analysis Plan