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Table 4 Grading criteria for quality of qualitative studies

From: Discrimination against childbearing Romani women in maternity care in Europe: a mixed-methods systematic review

Qualitative papers
Graded against the criteria of internal validity, reliability, replicability and generalisability [51].
A No, or few flaws. The study’s internal validity, reliability, replicability and generalisability are high.
B Some flaws, unlikely to affect the internal validity, reliability, replicability and generalisability of the study.
C Some flaws that may affect internal validity, reliability, replicability and generalisability of the study.
D Significant flaws that are very likely to affect the internal validity, reliability, replicability and generalisability of the study.
Quantitative papers
Graded against criteria identified by Lincoln and Guba [52]; credibility, transferability, dependability and confirmability.
A No, or few flaws. The study’s credibility, transferability, dependability and/or confirmability are high.
B Some flaws, unlikely to affect the credibility, transferability, dependability and/or confirmability of the study.
C Some flaws that may affect the credibility, transferability, dependability and/or confirmability of the study.
D Significant flaws that are very likely to affect the credibility, transferability, dependability and/or confirmability of the study.