From: Reliability and validity of Arabic Rapid Estimate of Adult Literacy in Dentistry (AREALD-30) in Saudi Arabia
Mean
SD
Minimum
Maximum
Cohen kappa
ICC (95% CI)
Cronbach's alpha
AREALD-30
21.97
6.85
0
30
0.83
0.992 (0.979-0.997)
0.89
AREALD-99
74.94
20.37
5
99
0.81
1.00 (0.999-1.00)
0.91