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Posts Tagged ‘Trials’

Should Recruitment Materials for HIV Study Participants Be More Balanced?

Monday, November 16th, 2009

AEI has engaged in a collaboration with researchers at Indiana University to investigate the effects of messaging “sidedness.” How does presenting a “balanced” message, one that emphasizes negative aspects of participation in addition to positive ones, affect willingness to participate AND participant understanding. Simple graphics, clear messaging: sure you have to have those! But, what’s the effect of telling someone about incorrect beliefs, rather than just the facts?

You have a 50% chance of being in the experimental group.

VERSUS

You know, many people believe they have a greater than 50% chance of receiving the experimental vaccine, but, its true, you only have a 50% chance of being in the experimental group.

The first is simpler; the second directly { read more }