Instrument | Reported total sample scores | Reported subsample scores | ||
---|---|---|---|---|
Studies, n (total included websites, n) | Range of reported mean/median | Studies, n (total included websites, n) | Range of reported mean/median | |
Readability | ||||
 FKGL | 6 (712) | 8.7—12.0 | 2 (340) | 8.6—10.4 |
 GFI | 6 (712) | 8.8—14.3 | 2 (340) | 8.0—11.1 |
 SMOG | 6 (712) | 9.6—13.4 | 2 (340) | 10.4—12.0 |
 CLI | 4 (327) | 10.5—12.8 | 1 (100) | 11.5—12.2 |
 ARI | 1 (148) | 8.7 | - | - |
 FORCAST | 1 (18) | 11.4 | - | - |
 FRE | 4 (485) | 44.1—54.1 | 2 (340) | 44.1—53.3 |
Assessmenta | ||||
 DISCERNb | 5 (718) | 36—80 | 7 (870) | 0—100 |
 JAMA | 3 (497) | 32—75 | 3 (495) | 25—100 |
 MICI | 1 (66) | 20 | 3 (295) | 20—28 |
 PEMAT-Ac | 1 (145) | 83 | - | - |
 PEMAT-Uc | 1 (145) | 41 | - | - |
 EQIP | 1 (321) | 49 | 1 (321) | 39—67 |
 LIDA | 1 (84) | 80 | - | - |
 GQS | 1 (66) | 60 | 1 (105) | 40—80 |
 CSS | - | - | 1 (69) | 22—70 |
 TCCI | 1 (105) | 100 | 1 (105) | 60—100 |