Schmidt & Hunter (1998) "The Validity and Utility of Selection Methods in Personnel Psychology" was a metaanalysis of hiring across many fields and wound up not

Schmidt & Hunter (1998) "The Validity and Utility of Selection Methods in Personnel Psychology" was a metaanalysis of hiring across many fields and wound up noting that the only metric with any positive signal was if one measured General Mental Ability and work samples from prior work. And even then the signal wasn't great