From: Validation of a culturally modified short form of the McCarthy Scales of Children’s Abilities in 6 to 8 year old Zimbabwean school children: a cross section study
Assessment results cut-off −2 SD
Observer 1
Observer 2
Delayed
Not Delayed
Total
A
B
True positive
False positive
3
0
C
D
False negative
True negative
15
83
98
18
101