studies that are underpowered

NewAmerica

Senior Member
Mandarin
What does "underpowered" mean? Sample size is too small?

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It is wasteful to conduct studies that are underpowered, but researchers have often treated statisticians who point this out as killjoys. In 1977, Jacob Cohen wrote a definitive book on the subject; ten years later, another statistician wrote, “Small studies continue to be carried out with little more than a blind hope of showing the desired effect” (R. G. Newcombe Br. Med. J. (Clin. Res. Ed.) 295, 656–659; 1987).

Source: nature Article | Published: 24 April 2019
Rein in the four horsemen of irreproducibility
 
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