Table 3.

Gough tool for this review

Dimension	Description of review
A. Coherence and integrity	A generic non-review-specific judgment of the coherence and relevance on its own terms, using the generally accepted criteria for this type of evidence
B. Appropriateness for answering the question	A review-specific judgment about the fitness for the purpose of the evidence for answering the question
C. Relevance and focus	A review-specific judgment about the relevance of the focus of the evidence for the question. This could include issues of propriety in how the research was conducted, which could impact its inclusion and interpretation.
D. Overall assessment	The three above judgments are then combined to give an overall assessment.

Source: Gough ([21], p223)