, increasing statistical power, reducing bias and enhancing credibility, meta-analysis is widely regarded as 'best evidence …

(the unrestricted weighted least squares) that adjusts the degrees of freedom and thereby reduces small-sample bias to …, whether or not there is publication selection bias, However, publication selection bias remains a ubiquitous source of bias … eradicates publication selection bias, PET-PEESE keeps the rate of false positives (i.e., type I errors) within their nominal …