Mechanisms of Nudges on Families' Decision-Making Process

Sponsor

Yale-NUS College (Other)

Overall Status

Completed

CT.gov ID

NCT03816241

Collaborator

(none)

200

Enrollment

Location

Arms

Actual Duration (Months)

20.1

Patients Per Site Per Month

Study Details

Study Description

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.

Condition or Disease	Intervention/Treatment	Phase
Organ Donation	Other: Frame Other: Norms	N/A

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 Design

Study Type:

Interventional

Actual Enrollment :

200 participants

Allocation:

Randomized

Intervention Model:

Parallel Assignment

Intervention Model Description:

Participants are assigned to 1 out of 4 possible anecdotes; Control, Framing, Norms, Combination.Participants are assigned to 1 out of 4 possible anecdotes; Control, Framing, Norms, Combination.

Masking:

Double (Participant, Investigator)

Primary Purpose:

Health Services Research

Official Title:

Mechanisms of Nudges on Families' Decision-Making Process

Actual Study Start Date :

Sep 1, 2016

Actual Primary Completion Date :

Jul 1, 2017

Actual Study Completion Date :

Jul 1, 2017

Arms and Interventions

Arm	Intervention/Treatment
No Intervention: Control Vignette contains no extra information.
Experimental: Frame Vignette is framed in a particular manner	Other: Frame Vignette is framed in a way that nudges participant to leave a legacy
Experimental: Norms Vignette contains extra information about norms	Other: Norms Vignette informs the participant that most people choose an option to try to nudge participant into choosing that option as well
Experimental: All Vignette contains extra information about norms and is framed in a particular manner.	Other: Frame Vignette is framed in a way that nudges participant to leave a legacy Other: Norms Vignette informs the participant that most people choose an option to try to nudge participant into choosing that option as well

Outcome Measures

Primary Outcome Measures

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.
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.

Eligibility Criteria

Criteria

Ages Eligible for Study:

21 Years and Older

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

Yes

Inclusion Criteria:

Above age 21
Singapore Citizens and Permanent Residents

Exclusion Criteria:

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

Contacts and Locations

Locations

	Site	City	State	Country	Postal Code
1	Yale-NUS College	Singapore		Singapore	138527

Sponsors and Collaborators

Yale-NUS College

Investigators

None specified.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.

Responsible Party:

Yale-NUS College

ClinicalTrials.gov Identifier:

NCT03816241

Other Study ID Numbers:

HSS-1502-P02-05

First Posted:

Jan 25, 2019

Last Update Posted:

Jan 29, 2019

Last Verified:

Jan 1, 2019

Individual Participant Data (IPD) Sharing Statement:

Undecided

Plan to Share IPD:

Undecided

Studies a U.S. FDA-regulated Drug Product:

Studies a U.S. FDA-regulated Device Product:

Study Results

No Results Posted as of Jan 29, 2019