Information avoidance in moral decisions: an experiment on meat consumption

Last registered on August 04, 2022

Pre-Trial

Trial Information

General Information

Title
Information avoidance in moral decisions: an experiment on meat consumption
RCT ID
AEARCTR-0008904
Initial registration date
February 11, 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
February 14, 2022, 12:19 PM EST

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

Last updated
August 04, 2022, 11:00 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

Affiliation
University of Fribourg

Other Primary Investigator(s)

PI Affiliation
University of Fribourg
PI Affiliation

Additional Trial Information

Status
In development
Start date
2022-02-14
End date
2023-06-30
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
The study consists of a sequence of online survey and lab experiment. In the survey and the experiment we ask participants questions about their eating behavior. In the lab participants complete a sequence of tasks in which we elicit their attitudes towards animals and meat as well as, in an incentive compatible way, their knowledge about meat and willingness to pay for information regarding meat. Subjects are randomly assigned to two treatments and a control, constituting the exogenous variation in this study.

External Link(s)

Registration Citation

Citation
Buechel, Berno, Bénédicte Droz and Anis Nassar. 2022. "Information avoidance in moral decisions: an experiment on meat consumption." AEA RCT Registry. August 04. https://doi.org/10.1257/rct.8904
Sponsors & Partners

Sponsors

Experimental Details

Interventions

Intervention(s)
The study consists of a sequence of online survey and lab experiment. In the survey and the experiment we ask the participants questions about their eating behavior.
Intervention Start Date
2022-02-14
Intervention End Date
2022-11-30

Primary Outcomes

Primary Outcomes (end points)
Willingness to pay for information about meat (WTP)
Knowledge about meat
Attitudes towards meat
Primary Outcomes (explanation)
- Willingness to pay for information about meat (WTP) is asked for each combination of meat type (beef / pork) with topic (animal welfare / environment / health). Its elicitation is incentivized. It can reflect both information-seeking and information-avoidance.

- Knowledge about meat is measured by a battery of multiple choice questions about meat production/consumption. Correct answers are rewarded. Answering "I don't know" is an option. Some of the questions concern negative consequences of meat consumption.

- Attitudes towards meat are measured by a battery of statements to which participants can agree more or less on a seven-point scale. A subset of these statements justifies meat consumption and hence forms the meat justification score. Another subset of these statements concerns the negative consequences of meat consumption.

[The exact questions can be found in the supplementary documents named "Survey_Questions.pdf", "Knowledge_Questions.pdf" and "WTP_Questions.pdf".]

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
The study consists of a sequence of online survey and lab experiment. In the survey and the experiment we ask participants questions about their eating behavior. In the lab participants complete a sequence of tasks in which we elicit their attitudes towards animals and meat as well as, in an incentive compatible way, their knowledge about meat and willingness to pay for information regarding meat. Subjects are randomly assigned to two treatments and a control, constituting the exogenous variation in this study.
Experimental Design Details
Not available
Randomization Method
Randomization was done in office by a computer. This generated a random allocation of treatments to experimental sessions.
Randomization Unit
experimental sessions
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
210 participants.

Sample size: planned number of observations
210 participants.
Sample size (or number of clusters) by treatment arms
70 participants per treatment.
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
Internal Review Board of the Department of Psychology of the University of Fribourg
IRB Approval Date
2020-07-15
IRB Approval Number
570 R1
Analysis Plan

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