Aspects of early childhood speech in Louisiana
Background: Studying children’s phonological skills explains how languages/dialects are learned cross-linguistically (McLeod, 2026). Normative data from typically developing children help distinguish typical development and dialectal variation from disorders. Clinicians rely on the Iowa–Nebraska norms (Smit et al., 1990), which do not reflect contemporary English usage nor the rich regional dialectal diversity of Louisiana. The lack of updated, local norms highlights an urgent need for representative phonological data that addresses such regional linguistic diversity.
Aim: This study investigates the developmental speech patterns of English-speaking children (ages 2;0–5;7) in Louisiana, also examining how dialectal use in the family (parents/caregivers’ input) is reflected in children’s speech.
Method/approach: This study collected phonetic/phonological data from 10 Louisiana English-speaking children (2;0–5;7) and their parents/caregivers, using picture‑naming and a lullaby reading/repetition task. Data analyses are in Phon (Hedlund & Rose, 2020). This study was approved by the Institutional Review Board at the University of Louisiana at Lafayette (Approval No. IRB-24-076-CODI-OTHR, modified: IRB-24-076-CODI). Informed consent was obtained from all individual participants included in the study.
Results/findings: The results show frequent use of cluster simplification, final consonant deletion, gliding, fronting, voicing changes, and segmental/syllabic additions across age groups, with syllable deletion observed among 2-year-olds. These processes decreased with increasing age. PCC values were generally comparable to previous benchmarks; greater variability is seen among younger children and those exposed to region-specific varieties (Cajun, Creole). A few dialect specific patterns include interdental stopping (Cajun and Creole), final consonant devoicing (Creole), and loss of rhoticity in vowels (Cajun).
Conclusion: Our data describe the phonological skills of English-speaking children in Louisiana and highlight the importance of regionally relevant norms. Continued data collection in the UL Lullaby project will develop sensitive dialectal norms, supporting more equitable and accurate clinical practices.
Implications for children and families: Researchers are developing Louisiana-specific speech norms to support children and families, like you, through more accurate identification and treatment of speech disorders, helping prevent later challenges in speech articulation, learning/literacy, and academic achievement.
Implications for practitioners: This study informs you, Louisiana practitioners, to ground clinical decisions in current, regionally relevant data, while accounting for dialectal variation, supporting more accurate assessment, culturally responsive practices, and informed intervention planning across diverse child speakers.
Keywords: Louisiana English, regional variation/dialect, speech, children/caregivers, families
This presentation relates to the following United Nations Sustainable Development Goals:
SDG 17: Partnerships to Achieve the Goals