Was the sample used in the study appropriate to its research question? | Were the data collected appropriately? | Were the data analysed appropriately? | Can I transfer the results of this study to other settings? | Does the study adequately address potential ethical issues, including reflexivity? | Overall: is what the researchers did clear? | |
---|---|---|---|---|---|---|
Butler [16] | Yes | Yes | Yes | Yes | No | Yes |
Cals [17] | Yes | Yes | Yes | Yes | No | Yes |
Cals [18] | Yes | Yes | Yes | Yes | No | Yes |
Gillam [19] | Unclear | Unclear | Unclear | Unclear | No | No |
Glover [20] | Unclear | Yes | Yes | Unclear | No | Yes |
Stone [21] | Yes | Yes | Yes | Yes | No | Yes |
Wood [22] | Yes | Yes | Yes | Yes | No | Yes |