JCPSLP Vol 21 No 2 2019 DIGITAL Edition

Hennick, M. (2013). Focus group discussions . New York, NY: Oxford University Press. Kilminster, M. G., & Laird, E. M. (1978). Articulation development in children aged three to nine years. Australian Journal of Human Communication Disorders , 6 , 23–30. Law, J., Boyle, J., Harris, F., Harkness, A., & Nye, C. (1998). Screening for speech and language delay: A systematic review of the literature. International Journal of Language & Communication Disorders , 33 , 21–23. Liamputtong, P. (2013). Research methods in health (2nd ed.). Melbourne, VIC: Oxford University Press. MacLeod, A., & Glaspey, A. (2014). A multidimensional view of gradient change in velar acquisition in three-year- olds receiving phonological treatment. Clinical Linguistics & Phonetics , 28 (9), 664–681. McCormack, J., McLeod, S., McAllister, L., & Harrison, L. J. (2009). A systematic review of the association between childhood speech impairment and participation across the lifespan. International Journal of Speech-Language Pathology , 11 (2), 155–170. McIntosh, B., & Dodd, B. (2008). Two-year-olds’ phonological acquisition: Normative data. International Journal of Speech-Language Pathology , 10 (6), 460–469. McLeod, S., & Baker, E. (2014). Speech-language pathologists’ practices regarding assessment, analysis, target selection, intervention, and service delivery for children with speech sound disorders. Clinical Linguistics & Phonetics , 28 , 508–531. McLeod, S., & Baker, E. (2017). Children’s speech: An evidence-based approach to assessment and intervention . Boston: Pearson. McLeod, S., & Bleile, K. (2003, November). Neurological and developmental foundations of speech acquisition . Paper presented at the American Speech-Language- Hearing Association Convention, Chicago, IL. Morrison, J. A., & Shriberg, L. D. (1992). Articulation testing versus conversational speech sampling. Journal of Speech and Hearing Disorders , 35 , 259–273. Nagy Hesse-Biber, S. (2010). Mixed methods research . New York, NY: The Guilford Press. Nathan, L., Stackhouse, J., Goulandris, N., & Snowling, M. J. (2004). The development of early literacy skills among children with speech difficulties: A test of the “critical age hypothesis”. Journal of Speech, Language, and Hearing Research , 47 , 377–391. Poole, I. (1934). Genetic development of articulation of consonant sounds in speech. Elementary English Review , 11 (6), 159–161. Robb, M., & Bleile, K. (1994). Consonant inventories of young children from 8 to 25 months. Clinical Linguistics & Phonetics , 8 (4), 295–320.

Roulstone, S., Miller, L., Wren, Y., & Peters, T. (2009). The natural history of speech impairment of 8-year-old children in the Avon Longitudinal Study of Parents and Children: Error rates at 2 and 5 years. International Journal of Speech-Language Pathology , 11 (5), 381–391. Ruben, R. J. (2000). Redefining the survival of the fittest: Communication disorders in the 21st century. Laryngoscope, 110 , 241–245. Sander, E. K. (1972). When are speech sounds learned? Journal of Speech and Hearing Disorders , 37 (1), 55–63. Shriberg, L. (1993). Four new speech and prosody- voice measures for genetics research and other studies in developmental phonological disorders. Journal of Speech and Hearing Research , 36 , 105–140. Stoel-Gammon, C. (1996). On the acquisition of velars in English. In B. Bernhardt, J. Gilbert, & D. Ingram (Eds.), Proceedings of the UBC international conference on phonological acquisition (pp. 201–214). Somerville, MA: Cascadilla Press. Templin, M. (1957). Certain language skills in children: Their development and interrelationships . Minneapolis: University of Minnesota Press. Vaismoradi, M., Turunen, H., & Bondas, T. (2013). Content analysis and thematic analysis: Implications for conducting a qualitative descriptive study. Nursing and Health Sciences , 15(3), 398–405. Wellman, B. L., Case, I. M., Mengert, I. G., & Bradbury, D. E. (1931). Speech sounds of young children. University of Iowa Studies in Child Welfare , 5 , 1–82. Wren, Y., McLeod, S., White, P., Miller, L. L., & Roulstone, S. (2013). Speech characteristics of 8-year-old children: Findings from a prospective population study. Journal of Communication Disorders , 46 , 53–69. Dr Rachael Unicomb (@RachaelUnicomb) is a speech pathologist and lecturer at the University of Newcastle. Joanne Walters (@walters_joanne) is a speech pathologist and lecturer at the University of Newcastle. Laura Pullin is a speech pathologist practising in Campbelltown, NSW. Dr Caroline Bowen (@ speechwoman) is a speech pathologist with an interest in children’s speech development and disorders. She is affiliated with Macquarie University, Sydney, Australia, the University of KwaZulu-Natal, Durban, and the University of Technology, Sydney, Australia.

Correspondence to: Rachael Unicomb The University of Newcastle email: Rachael.unicomb@newcastle.edu.au

93

JCPSLP Volume 21, Number 2 2019

www.speechpathologyaustralia.org.au