ÜBERMAD

Action

Donate blood

Giving blood as the target behaviour.

A woman in a striped jumper and checked trousers holds a big heart to her chest, then stretches it out toward the viewer.

Studies (1)

  1. Paper

    A phone call asking lapsed donors to come got more to give blood
    UsedHelped

    A short phone call asking lapsed donors to say they'd come got 23 in 100 to give blood, against 13.

    Large randomised trial of 1,400 lapsed blood donors in Zurich, Switzerland · vs people who got only the usual letter and text · behaviour was recorded

    UsedHelped

    People who got one call still gave blood more often 6 and 12 months later, but not 18 months later.

    Large randomised trial of 1,400 lapsed blood donors in Zurich, Switzerland · vs people who got no phone call · behaviour was recorded

Often used with it