NEW UPDATE: Completed trials may now upload and register supplementary documents (e.g. null results reports, populated pre-analysis plans, or post-trial results reports) in the Post Trial section under Reports, Papers, & Other Materials.
Initial registration date
April 29, 2020
May 01, 2020 3:36 PM EDT
This section is unavailable to the public. Use the button below
to request access to this information.
Busara Center for Behavioral Economics
Other Primary Investigator(s)
Additional Trial Information
This study will evaluate altruism and warm glow from giving. Specifically, this paper proposes and tests a model where individuals have three components of utility from charitable contributions: altruistic utility, warm glow from giving and warm glow when the gift accomplishes its purpose.
MTurk survey on charitable giving. The intervention is to vary who is making the donation (individual or someone else), when the gift is made and when the gift is delivered to the final recipient.
Intervention Start Date
Intervention End Date
Primary Outcomes (end points)
Willingness to give, willingness to pay to affect timing of gifts, structural parameters estimated from responses.
Primary Outcomes (explanation)
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
The experiment will ask individuals to affect the timing (via payments) of donations made by themselves and others (details in pre-analysis plan).
Experimental Design Details
Was the treatment clustered?
Sample size: planned number of clusters
Sample size: planned number of observations
500-1000 respondents X 2 choices per respondent.
Sample size (or number of clusters) by treatment arms
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
INSTITUTIONAL REVIEW BOARDS (IRBs)
Maseno University Ethics Review Committee
IRB Approval Date
IRB Approval Number