The purpose of the study is to investigate how phonotactic probability) and orthography affect vocabulary by children with low oral language levels. The investigators will use a 2 x 2 within-subjects factorial design where every participant receives the treatment. This 12-week study aims to improve vocabulary learning efficiency for children with low oral language levels. The study's findings will uniquely contribute to the field in that this is the first research study using real words instead of nonwords while combining word learning research with vocabulary learning.
Protocol Amendment History
2 amendments
This ClinicalTrials.gov record has been amended 2 times since 2025-04-12; most recent amendment 2026-05-14.
Status change: Active, Not Recruiting → Completed2026-05-05