Erschienen in:
19.06.2019 | COMMENTARY
Extending inferences from a randomized trial to a target population
verfasst von:
Issa J. Dahabreh, Miguel A. Hernán
Erschienen in:
European Journal of Epidemiology
|
Ausgabe 8/2019
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Excerpt
In this issue, Weiss discusses “generalizing” inferences from randomized trials to other populations [
1]. However, he does not explicitly define what “generalizing” means, assumes that “generalizing” the results of a randomized trial has a single goal, and reduces generalizability to a binary subjective judgment—findings are either generalizable or not generalizable. A growing literature (e.g., [
1‐
13]) precisely defines the several meanings and goals of extending inferences from randomized trials to another population, and describes analyses whose findings go beyond simple binary judgements. Here, we provide a non-technical overview of this literature. First, we briefly review the main concepts, then we outline the available study designs and statistical approaches. …