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Mechanisms of Nudges on Families' Decision-Making Process

Mechanisms of Nudges on Families' Decision-Making Process

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03816241
Enrollment
200
Registered
2019-01-25
Start date
2016-09-30
Completion date
2017-07-31
Last updated
2019-01-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Organ Donation

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.

Interventions

OTHERFrame

Vignette is framed in a way that nudges participant to leave a legacy

OTHERNorms

Vignette informs the participant that most people choose an option to try to nudge participant into choosing that option as well

Sponsors

Yale-NUS College
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE (Subject, Investigator)

Intervention model description

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

Eligibility

Sex/Gender
ALL
Age
21 Years to No maximum
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

Design outcomes

Primary

MeasureTime frameDescription
5-point Likert scale - Trust and Perceived Manipulativeness of doctor and medical institution3 minutesA 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 donation1 minuteA 9-point rating scale will be given and participants will be asked to rate their views on the meaningfulness of organ donation.

Countries

Singapore

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026