Copyright © American Speech-Language-Hearing Association From: The Listening and Spoken Language Data Repository: Design and Project Overview Lang Speech Hear Serv Sch. 2018;49(1):108-120. doi:10.1044/2017_LSHSS-16-0087 Legend: Scatterplot of test scores showing a strong linear relationship within the learning domains (a) articulation, (b) expressive vocabulary, and (c) receptive vocabulary. A hypothetical perfect relationship is shown with the dashed line, with the realized relationship represented as a locally weighted scatterplot smoothing (LOWESS) regression estimate with the solid line. EOWPVT = Expressive One Word Picture Vocabulary Test; EVT = Expressive Vocabulary Test; ROWPVT = Receptive One Word Picture Vocabulary Test; PPVT = Peabody Picture Vocabulary Test. Date of download: 3/3/2018 Copyright © American Speech-Language-Hearing Association