Interdependency of Risk Perceptions

Last registered on November 26, 2025

Pre-Trial

Trial Information

General Information

Title
Interdependency of Risk Perceptions
RCT ID
AEARCTR-0017240
Initial registration date
November 24, 2025

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 26, 2025, 7:00 AM EST

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

Locations

There is information in this trial unavailable to the public. Use the button below to request access.

Request Information

Primary Investigator

Affiliation

Other Primary Investigator(s)

PI Affiliation
BCEE, Berlin School of Economics and Law
PI Affiliation
BCEE, Berlin School of Economics and Law

Additional Trial Information

Status
In development
Start date
2025-12-08
End date
2026-12-30
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This study analyzes the possible interdependence of individuals' risk perceptions across different domains. For example, information concerning personal risk in the health domain (e.g., a cancer diagnosis) may cause spillovers to other domains, for example the worry concerning crime. The experiment investigates whether these spillover-effects vary depending on the type of risk/event.
The survey experiment will employ a combination of between- and within-subject design. First, subjects are randomly allocated in three treatments concerning the information provision during the experiment. The information provision in the three treatments refers to 1) societal events (e.g. international tensions), 2) personal events, e.g. own health and 3) a neutral information. Experimental subjects are asked to state their subjective worries in various domains before and after the information provision which allows to measure within-subject differences induced by the information provision. The experiment further contains a budget allocation task concerning public spending and elicits risk aversion, ambiguity aversion, personality variables and demographic variables. The experiment will allow to measure to what extent risk perceptions are correlated across different domains, and whether the degree of correlation depends on the type of event/risk (e.g., societal vs. personal).
External Link(s)

Registration Citation

Citation
Bolouri, Armin, Tim Lohse and Salmai Qari. 2025. "Interdependency of Risk Perceptions." AEA RCT Registry. November 26. https://doi.org/10.1257/rct.17240-1.0
Sponsors & Partners

There is information in this trial unavailable to the public. Use the button below to request access.

Request Information
Experimental Details

Interventions

Intervention(s)
The intervention is carried out by randomly assigning the subjects in the survey to different types of information provision, (i) societal events/risk, (ii) personal events/risk and (iii), a neutral text. Subjects state their subjective worries in various domains before and after the information provision which allows to measure within-subject differences induced by the information provision. Further, experimental subjects make choices in two versions of a budget allocation task concerning public spending.
The experimental design allows to test how the different information treatments affect the disribution of subjective worries and the budget allocations.
Intervention Start Date
2025-12-08
Intervention End Date
2025-12-30

Primary Outcomes

Primary Outcomes (end points)
1) Subjective perceptions of risks in different domains. 2) the degree of correlation/dependence of these risk perceptions.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We conduct an online survey experiment with 1200 respondents/observations in Germany. The experiment examines whether spillover effects in risk perception depend on the type of the assessed risk. To this end, three treatments are developed which provide information either for (i) a societal event/risk, (ii) a personal event/risk and (iii) a neutral event/information (see the interventions above). In all three treatments, subjects are asked to state their subjective worries in the same set of domains (e.g., crime, economic situation, climate). These worries are measured before and after the information provision which allows to use differences for each subject, thereby eliminating individual fixed effects. The two budget allocation tasks measure the policy priorities concerning public spending for each experimental subject. In the first task, the budget is fixed and subjects can distribute 100 points (100 percent) to three policy areas (economy, health, security). In the second task, the budget is not fixed such that subjects can choose whether the budget for spending should be reduced / stay the same / expanded, and at the same time subjects distribute this budget to three policy areas. This part of the experiment allows to test the link between the type of risk / event and preferences for public spending. Finally, the remaining part of the survey contains standard tasks to elicit risk aversion, ambiguity aversion and questions for measuring personality and various attitudes. We hypothesize that there is considerable heterogeneity on the subject-level concerning the degree of spillover to other risk domains, and we will investigate whether this heterogeneity can be linked to personality.
The sample will be representative concerning age and gender (using quotas) for the German population, and randomization occurs at the subject/individual-level.
Experimental Design Details
Not available
Randomization Method
computer
Randomization Unit
individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
1200 respondents
Sample size: planned number of observations
1200 respondents
Sample size (or number of clusters) by treatment arms
about 400 respondents per treatment arm (baseline, societal event, personal event)
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB

Institutional Review Boards (IRBs)

IRB Name
German Association for Experimental Economic Research
IRB Approval Date
2025-11-24
IRB Approval Number
No. KqAWU6YM