Mechanisms of Nudges on Families' Decision-Making Process

January 28, 2019 updated by: Yale-NUS College
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.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

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 Type

Interventional

Enrollment (Actual)

200

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Singapore
      • Singapore, Singapore, 138527
        • Yale-NUS College

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

21 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

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 Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Health Services Research
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
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
No Intervention: Control
Vignette contains no extra information.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
5-point Likert scale - Trust and Perceived Manipulativeness of doctor and medical institution
Time Frame: 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.
3 minutes
9-point rating scale - Views on altruistic nature of organ donation
Time Frame: 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.
1 minute

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Yale-NUS College

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 1, 2016

Primary Completion (Actual)

July 1, 2017

Study Completion (Actual)

July 1, 2017

Study Registration Dates

First Submitted

January 22, 2019

First Submitted That Met QC Criteria

January 22, 2019

First Posted (Actual)

January 25, 2019

Study Record Updates

Last Update Posted (Actual)

January 29, 2019

Last Update Submitted That Met QC Criteria

January 28, 2019

Last Verified

January 1, 2019

More Information

Terms related to this study

Other Study ID Numbers

  • HSS-1502-P02-05

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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