Ratunku! or Just Tunku! Evidence for the Reliability and Concurrent Validity of the Language Use Inventory–Polish

• DOI: 10.1044/2019_jslhr-l-18-0230
• Publication Date: 2019-07-01T18:09:46Z
• Authors: Marta Białecka-Pikul; Anna Filip; Małgorzata Stępie...; Katarzyna Kuś; Daniela K. O'Neill
• Keywords: Concurrent validity; Polish

Purpose To date, there is no tool for assessing early pragmatic development of Polish-speaking children. This study aimed to adapt Polish a standardized parent report measure, the Language Use Inventory (LUI; O'Neill, 2009, in order enable cross-cultural comparisons and use LUI-Polish screen children 18-47 months age. We concentrated on sociocultural functional adaptation LUI demonstrate its reliability, developmental sensitivity, concurrent validity. Method Parents completed an online version LUI-Polish, longitudinally at 3 time points (when child was 20, 32, 44 old). In addition, parents adaptations Questionnaire Communication Early 22 Development Survey 24 months. Children's spontaneous speech assessed months, their expressive receptive vocabulary 36 Results All parts (Gestures, Words, Sentences) showed very good levels internal consistency each point. Significant correlations were observed between all measurement points. The expected trajectory boys girls providing evidence sensitivity ages 2 4 years: increase with age total score (due Words decrease Gestures. Supporting validity, significant found children's performance (a) 20 as well measures (b) 32 comprehension production Conclusion demonstrated psychometric properties that provide sound basis further research toward norming LUI-Polish. Moreover, observed.