From: Spoken language outcome measures for treatment studies in Down syndrome: feasibility, practice effects, test-retest reliability, and construct validity of variables generated from expressive language sampling
Test visit
Retest visit
Lexical diversity
.76***
.79***
Syntax
.80***
.82***
Talkativeness
.55***
.47***
Unintelligibility
.66***
Dysfluency
.64***
.69***