Temperature and Cooperation

Last registered on July 18, 2022

Pre-Trial

Trial Information

General Information

Title
Temperature and Cooperation
RCT ID
AEARCTR-0009741
Initial registration date
July 13, 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
July 18, 2022, 9:19 AM EDT

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

Locations

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Primary Investigator

Affiliation

Other Primary Investigator(s)

PI Affiliation
University of San Francisco
PI Affiliation
University of San Francisco
PI Affiliation
CIDE
PI Affiliation
UC Davis

Additional Trial Information

Status
On going
Start date
2022-06-15
End date
2023-01-31
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This study examines how ambient temperatures affect human behavior.
External Link(s)

Registration Citation

Citation
Cassar, Alessandra et al. 2022. "Temperature and Cooperation." AEA RCT Registry. July 18. https://doi.org/10.1257/rct.9741
Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2022-06-15
Intervention End Date
2023-01-31

Primary Outcomes

Primary Outcomes (end points)
Generosity, egalitarianism, and aggregate utility maximization, selfishness, spite, and competitiveness.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We plan to test how ambient air temperatures affect various measures of human behavior.
Experimental Design Details
Not available
Randomization Method
Randomization will be done using a computer.
Randomization Unit
Treatment will be randomized at the session level.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
We plan on conducting sessions with 8-10 participants at a time, meaning we should have approximately 150-175 sessions with four sites (additional sites may be added later).
Sample size: planned number of observations
Roughly 1400 assuming four sites, but we may add more sites.
Sample size (or number of clusters) by treatment arms
Treatment is continuous (temperature) and we plan on varying it between 18 and 24 degrees.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
See attached pre-analysis plan.
IRB

Institutional Review Boards (IRBs)

IRB Name
Institutional Review Board for the Protection of Human Subjects (IRBPHS) at the University of San Francisco
IRB Approval Date
2022-06-14
IRB Approval Number
1762
Analysis Plan

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