Before revision:  Setting the power is shown to offer little remedy unless sample size is increased markedly or the p-value is lowered by at least one order of magnitude . The formulas allow the investigation of the stability of the reproduction of results and "p-hacking" and other aspects of meta-analysis. From a probabilistic standpoint, neither a p-value of .05 nor a "power" at .9 appear to make the slightest sense .
After revision:  Setting the power is shown to offer little remedy unless sample size is increased markedly or the p-value is lowered by at least one order of magnitude .