Indian Pediatr. 2011 Jun;48(6):490-1.
51 inconclusive studies published in 14 Indian medical journals were analyzed for adequacy of power by post hoc power calculation. No study was found to be adequately powered (%80%) at small effect size, only 8 studies were adequately powered for medium effect size and 30 studies were adequately powered at large effect size.
对 14 种印度医学期刊发表的 51 篇结果不确定的研究进行事后功效计算，以分析其功效是否充足。在小效应量下，没有研究发现具有足够的功效（80%），仅有 8 项研究对中效应量具有足够的功效，30 项研究对大效应量具有足够的功效。
