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.
Thurman AJ, Edgin JO, Sherman SL, Sterling A, McDuffie A, Berry-Kravis E, Hamilton D, Abbeduto L. 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. J Neurodev Disord. 2021 04 08; 13(1):13.