The Rigor of QWL Evaluations Over Time:Evidence o A Modified Positive-Finings Bias

Abstract

The present design focuses on possible changes over time in the rigor of QWL evaluations, which might support the interpretation of a positive-findings bias (PFB) in a limited range of the study`s 22-year period of observation. Other analyses show no major PFB in QWL evaluative studies considered as an aggregate. This analysis adds a longitudinal perspective to these analyses, and finds evidence of PFB in part of the observational period.