Mechanisms of Nudges on Families' Decision-Making Process

Not Applicable

Completed

• Conditions: Organ Donation
• Interventions: Other: Norms; Other: Frame

• Registration Number: NCT03816241
• Lead Sponsor: Yale-NUS College

Brief Summary

As part of a larger study, participants are told to read 1 out of 4 anecdotes depicting an organ donation scenario where they are required to make a decision on behalf of their mother who has just suffered an accident. The participants are then surveyed on their attitudes towards organ donation.

Detailed Description

As part of a larger study, participants are given 1 out of 4 possible vignettes which depicts an organ donation scenario involving their mother. The possible vignettes consist of a Control condition, a Framing condition, a Normative condition and a condition that includes all the nudges. Participants are then given surveys to gauge their views and attitudes towards organ donation as a whole, their trust towards medical institutions and the doctors, their perceived manipulation from the doctor and their views on the altruistic nature of organ donation.

Study Timeline

• Study Start: 2016-09
• Primary Completion: 2017-07
• Study Completion: 2017-07
• Status Verified: 2019-01
• Study First Submitted: 2019-01-22
• Study First Submitted QC: 2019-01-22
• Study First Posted: 2019-01-25
• Last Update Submitted: 2019-01-28
• Last Update Posted: 2019-01-29

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 200

Inclusion Criteria

• Above age 21
• Singapore Citizens and Permanent Residents

Exclusion Criteria

• Below age 21
• Non-citizens
• Not able to make decisions for self

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Norms	Norms	Vignette contains extra information about norms
Frame	Frame	Vignette is framed in a particular manner
All	Norms	Vignette contains extra information about norms and is framed in a particular manner.
All	Frame	Vignette contains extra information about norms and is framed in a particular manner.

Primary Outcome Measures

Name	Time	Method
9-point rating scale - Views on altruistic nature of organ donation	1 minute	A 9-point rating scale will be given and participants will be asked to rate their views on the meaningfulness of organ donation.
5-point Likert scale - Trust and Perceived Manipulativeness of doctor and medical institution	3 minutes	A 5-point Likert scale will be given and participants will be asked to rate their agreeableness towards the level of trust and perceived manipulativeness of the doctor and the medical institution.

Trial Locations

Locations (1)

Yale-NUS College; 🇸🇬 Singapore, Singapore