Criteria | Quality rating | ||
---|---|---|---|
0 | 1 | 2 | |
1. Sample size? | Fewer than 15 participants | 15+ participants | 30+ participants |
2. Recruitment? | Participants selected by clinicians or researcher | Participants recruited either through community outreach, a charity, school, or medical clinic | Multiple methods, multiple clinics, school, or multiple charities are used for recruitment |
3. Diagnosis? a | Diagnosis not confirmed | Diagnosis based on non-expert opinion or physical features | Confirmed clinical diagnosis or appropriate genetic/enzyme testing |
4. Comparison group? b | No comparison group | Comparison between non-genetically distinct group | Genetically or intellectually distinct comparison group |
5. Methodology? | No validated or standardised measures are used | Use a validated and/or standardised assessment tool | Multiple standardised and/or validated measures are used alongside new measure, observations, or other methodology. |
6. Appropriate statistics/ comparisons? | Data not analysed | Descriptive statistics are used | Appropriate comparative/correlative statistics are reported |