‘Good’ evidence is appropriate and it is methodologically robust.
By appropriate, we mean that it is able to tell you about the things that you want to know – to answer the questions you want answers to. Our understanding of research methodology enables us to guide you towards sophisticated judgements about what is appropriate for your context.
As with so many things in life, the quality of available research evidence varies. You may have evidence which is appropriate (in as much as it is relevant and adopts an appropriate approach to answering a specific question), but the quality of it may be low (it may have been conducted poorly).
By adopting a highly critical approach to the identification of ‘good’ evidence, we are transparent in highlighting the limitations as well as the applications of research evidence.