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Table 1 Intervention messages

From: Effect of persuasive messages on National Health Service Organ Donor Registrations: a pragmatic quasi-randomised controlled trial with one million UK road taxpayers

Intervention arm

Persuasive message

Control

No message

Social norms

Every day thousands of people who see this page decide to register.

Social norms plus logo

Every day thousands of people who see this page decide to register. (Plus logo)

Social norms plus image

Every day thousands of people who see this page decide to register. (Plus image)

Loss frame

Three people die every day because there are not enough organs.

Gain frame

You could save or transform up to 9 lives as an organ donor.

Reciprocity

If you needed an organ transplant would you have one? If so please help others.

Cognitive dissonance

If you support organ donation please turn your support into action.