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TJ VanderWeele, G Hong, SM Jones… - Journal of the American …, 2013 - Taylor & Francis

Mediation and spillover effects in group-randomized trials: a case study of the 4Rs educational intervention.

Educational trials

VanderWeele, Hong, Jones

GSID: eXEVyqfs75cJ

Excerpt

Peer influence and social interactions can give rise to spillover effects in which the exposure of one individual may affect outcomes of other individuals. Even if the intervention under study occurs at the group or cluster level as in group-randomized trials, spillover effects can …

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