“…The BRIEF has large normative data for children aged 5 to 18 years, high internal consistency, 52 good validity 53 and good testretest reliability, 52 although parent-teacher agreement is only moderate. 51 However, the DEX-C Cognition subscale completed by parents has a high correlation with the CCT score 48 and therefore this subscale together with the CCT was expected to detect improvement in cognitive EF impairment, which the BRIEF might not capture. [53][54][55][56] Its relationship with common EF cognitive tests is, however, inconsistent.…”