The scientific peer-review process ensures that: a) all scientific studies receive publication despite the level of bias. b) scientific studies have proper design and methods and are free from bias. c) the results of scientific studies are permanent and certain. d) all published scientific studies have clearly defined control groups.

b) scientific studies have proper design and methods and are free from bias.

Explanation:

The scientific peer-review process ensures that scientific studies have proper design and methods and are free from bias. Peer review involves the examination of every aspect of the research e.g. samples, methods, analysis, outcomes, so as to ascertain the originality and validity of the research

answer; utilitarian;