It's pretty simple to set up a scientific test for resume content. You can find examples of reports of studies on names pretty easily. You just set up a templat

It's pretty simple to set up a scientific test for resume content. You can find examples of reports of studies on names pretty easily. You just set up a template and send out hundreds of resumes with the thing you're testing tweaked. If sending multiple resumes to the same company, also vary the things you're not testing in ways that you think will be insignificant (e.g. use different names like Jack, John, Joe but don't use names that indicate a difference in possibly salient factors like gender or ethnicity). People do this sort of thing to test hiring biases all the time. Ideally you'd be doing it from a university and have an ethics board and people experienced with experiment design overseeing what you're doing to help ensure you're doing it right.