DISFAVOURED DESIGN BIAS:

Another name for Method-Down Bias (synonym); which is a bias when one discredits the importance of a study, or assumes the results are not valid, because it uses a method which they personally disfavour¹. Also see: Method-Up Bias, Method-Down Bias, and Favoured Design Bias.

Reference:

1. Earl-Slater A. The Handbook of Clinical Trials and Other Research. Abingdon: Radcliffe Medical Press Ltd. 2002. (Link to Reference)