Adler-Bock, M., Bernhardt, B. M., Gick, B., & Bacsfalvi, P. (2007). The use of ultrasound in remediation of North American English /r/ in 2 adolescents. American Journal of Speech-Language Pathology, 16, 128–139.
Altshuler, M. W. (1961). A therapeutic oral device for lateral emission. Journal of Speech and Hearing Disorders, 26, 179–181.
American Speech-Language-Hearing Association. (2016a). Code of ethics [Ethics]. Available from
American Speech-Language-Hearing Association. (20016b). Scope of practice in speech-language-pathology [Scope of Practice]. Available from
Americans with Disabilities Act of 1990, P.L. 101-336, 42 U.S.C. §§ 12101 et seq.
Anthony, J. L., Aghara, R. G., Dunkelberger, M. J., Anthony, T. I., Williams, J. M., & Zhang, Z. (2011). What factors place children with speech sound disorders at risk for reading problems? American Journal of Speech-Language Pathology, 20, 146–160.
Baker, E. (2012). Optimal intervention intensity. International Journal of Speech-Language Pathology, 14, 401–409.
Baker, E., & Williams, A. L. (2010). Complexity approaches to intervention. In S. F. Warren & M. E. Fey (Series Eds.). & A. L. Williams, S. McLeod, & R. J. McCauley (Volume Eds.), Intervention for speech sound disorders in children (pp. 95–115). Baltimore, MD: Brookes.
Bernthal, J., Bankson, N. W., & Flipsen, P., Jr. (2017). Articulation and phonological disorders: Speech sound disorders in children. New York, NY: Pearson.
Blache, S., & Parsons, C. (1980). A linguistic approach to distinctive feature training. Language, Speech, and Hearing Services in Schools, 11, 203–207.
Blache, S. E., Parsons, C. L., & Humphreys, J. M. (1981). A minimal-word-pair model for teaching the linguistic significant difference of distinctive feature properties. Journal of Speech and Hearing Disorders, 46, 291–296.
Black, L. I., Vahratian, A., & Hoffman, H. J. (2015). Communication disorders and use of intervention services among children aged 3–17 years; United States, 2012 (NHS Data Brief No. 205). Hyattsville, MD: National Center for Health Statistics.
Bleile, K. (2002). Evaluating articulation and phonological disorders when the clock is running. American Journal of Speech-Language Pathology, 11, 243–249.
Byers Brown, B., Bendersky, M., & Chapman, T. (1986). The early utterances of preterm infants. British Journal of Communication Disorders, 21, 307–320.
Camarata, S. (2010). Naturalistic intervention for speech intelligibility and speech accuracy. In A. L. Williams, S. McLeod, & R. J. McCauley (Eds.), Interventions for speech sound disorders in children (pp. 381–406). Baltimore, MD: Brookes.
Campbell, T. F., Dollaghan, C. A., Rockette, H. E., Paradise, J. L., Feldman, H. M., Shriberg, L. D., . . . Kurs-Lasky, M. (2003). Risk factors for speech delay of unknown origin in 3-year-old children. Child Development, 74, 346–357.
Carrigg, B., Baker, E., Parry, L., & Ballard, K. J. (2015). Persistent speech sound disorder in a 22-year-old male: Communication, educational, socio-emotional, and vocational outcomes. Perspectives on School-Based Issues, 16, 37–49.
Carroll, J. M., Snowling, M. J., Stevenson, J., & Hulme, C. (2003). The development of phonological awareness in preschool children. Developmental Psychology, 39, 913–923.
Catts, H. W., McIlraith, A., Bridges, M. S., & Nielsen, D. C. (2017). Viewing a phonological deficit within a multifactorial model of dyslexia. Reading and Writing, 30, 613–629.
Coplan, J., & Gleason, J. R. (1988). Unclear speech: Recognition and significance of unintelligible speech in preschool children. Pediatrics, 82, 447–452.
Dagenais, P. A. (1995). Electropalatography in the treatment of articulation/phonological disorders. Journal of Communication Disorders, 28, 303–329.
Dean, E., Howell, J., Waters, D., & Reid, J. (1995). Metaphon: A metalinguistic approach to the treatment of phonological disorder in children. Clinical Linguistics & Phonetics, 9, 1–19.
Dodd, B. (2005). Differential diagnosis and treatment of children with speech disorder. London, England: Whurr.
Dodd, B., Holm, A., Crosbie, S., & McIntosh, B. (2006). A core vocabulary approach for management of inconsistent speech disorder. International Journal of Speech-Language Pathology, 8, 220–230.
Eadie, P., Morgan, A., Ukoumunne, O. C., Eecen, K. T., Wake, M., & Reilly, S. (2015). Speech sound disorder at 4 years: Prevalence, comorbidities, and predictors in a community cohort of children. Developmental Medicine & Child Neurology, 57, 578–584.
Elbert, M., & McReynolds, L. V. (1978). An experimental analysis of misarticulating children's generalization. Journal of Speech and Hearing Research, 21, 136–149.
Ertmer, D. J. (2010). Relationship between speech intelligibility and word articulation scores in children with hearing loss. Journal of Speech, Language, and Hearing Research, 53, 1075–1086.
Everhart, R. (1960). Literature survey of growth and developmental factors in articulation maturation. Journal of Speech and Hearing Disorders, 25, 59–69.
Fabiano-Smith, L., & Goldstein, B. A. (2010). Phonological acquisition in bilingual Spanish–English speaking children. Journal of Speech, Language, and Hearing Research, 53, 160–178.
Felsenfeld, S., McGue, M., & Broen, P. A. (1995). Familial aggregation of phonological disorders: Results from a 28-year follow-up. Journal of Speech, Language, and Hearing Research, 38, 1091–1107.
Fey, M. (1986). Language intervention with young children. Boston, MA: Allyn & Bacon.
Flipsen, P. (2006). Measuring the intelligibility of conversational speech in children. Clinical Linguistics & Phonetics, 20, 202–312.
Flipsen, P. (2015). Emergence and prevalence of persistent and residual speech errors. Seminars in Speech Language, 36, 217–223.
Fox, A. V., Dodd, B., & Howard, D. (2002). Risk factors for speech disorders in children. International Journal of Language and Communication Disorders, 37, 117–132.
Gibbon, F., Stewart, F., Hardcastle, W. J., & Crampin, L. (1999). Widening access to electropalatography for children with persistent sound system disorders. American Journal of Speech-Language Pathology, 8, 319–333.
Gierut, J. A. (1989). Maximal opposition approach to phonological treatment. Journal of Speech and Hearing Research, 54, 9–19.
Gierut, J. A. (1990). Differential learning of phonological oppositions. Journal of Speech and Hearing Research, 33, 540–549.
Gierut, J. A. (1992). The conditions and course of clinically induced phonological change. Journal of Speech and Hearing Research, 35, 1049–1063.
Gierut, J. A. (2007). Phonological complexity and language learnability. American Journal of Speech-Language Pathology, 16, 6–17.
Glaspey, A. M., & Stoel-Gammon, C. (2007). A dynamic approach to phonological assessment. Advances in Speech-Language Pathology, 9, 286–296.
Goldstein, B. A., & Fabiano, L. (2007, February 13). Assessment and intervention for bilingual children with phonological disorders. The ASHA Leader, 12, 6–7, 26–27, 31.
Grunwell, P. (1987). Clinical phonology (2nd ed.). London, England: Chapman and Hall.
Hitchcock, E. R., McAllister Byun, T., Swartz, M., & Lazarus, R. (2017). Efficacy of electropalatography for treating misarticulations of /r/. American Journal of Speech-Language Pathology, 26, 1141–1158.
Hodson, B. (2010). Evaluating and enhancing children's phonological systems: Research and theory to practice. Wichita, KS: PhonoComp.
Howell, J., & Dean, E. (1994). Treating phonological disorders in children: Metaphon—Theory to practice (2nd ed.). London, England: Whurr.
Individuals with Disabilities Education Improvement Act of 2004, P. L. 108-446, 20 U.S.C. §§ 1400 et seq. Retrieved from
Kent, R. D., Miolo, G., & Bloedel, S. (1994). The intelligibility of children's speech: A review of evaluation procedures. American Journal of Speech-Language Pathology, 3, 81–95.
Law, J., Boyle, J., Harris, F., Harkness, A., & Nye, C. (2000). Prevalence and natural history of primary speech and language delay: Findings from a systematic review of the literature. International Journal of Language and Communication Disorders, 35, 165–188.
Lee, A. S. Y., & Gibbon, F. E. (2015). Non-speech oral motor treatment for children with developmental speech sound disorders. Cochrane Database of Systematic Reviews, 2015 (3), 1–42.
Lee, S. A. S., Wrench, A., & Sancibrian, S. (2015). How to get started with ultrasound technology for treatment of speech sound disorders. Perspectives on Speech Science and Orofacial Disorders, 25, 66–80.
Leitão, S., & Fletcher, J. (2004). Literacy outcomes for students with speech impairment: Long-term follow-up. International Journal of Language and Communication Disorders, 39, 245–256.
Leonti, S., Blakeley, R., & Louis, H. (1975, November). Spontaneous correction of resistant /ɚ/ and /r/ using an oral prosthesis. Paper presented at the annual convention of the American Speech and Hearing Association, Washington, DC.
Lewis, B. A., Avrich, A. A., Freebairn, L. A., Hansen, A. J., Sucheston, L. E., Kuo, I., . . . Stein, C. M. (2011). Literacy outcomes of children with early childhood speech sound disorders: Impact of endophenotypes. Journal of Speech, Language, and Hearing Research, 54, 1628–1643.
Locke, J. (1980). The inference of speech perception in the phonologically disordered child. Part I: A rationale, some criteria, the conventional tests. Journal of Speech and Hearing Disorders, 45, 431–444.
McAllister Byun, T., & Hitchcock, E. R. (2012). Investigating the use of traditional and spectral biofeedback approaches to intervention for /r/ misarticulation. American Journal of Speech-Language Pathology, 21, 207–221.
McCauley, R. J., Strand, E., Lof, G. L., Schooling, T., & Frymark, T. (2009). Evidence-based systematic review: Effects of nonspeech oral motor exercises on speech. American Journal of Speech-Language Pathology, 18, 343–360.
McCormack, J., McAllister, L., McLeod, S., & Harrison, L. (2012). Knowing, having, doing: The battles of childhood speech impairment. Child Language Teaching and Therapy, 28, 141–157.
McDonald, E. T. (1974).Articulation testing and treatment: A sensory motor approach. Pittsburgh, PA: Stanwix House.
McLeod, S., & Crowe, K. (2018). Children's consonant acquisition in 27 languages: A cross-linguistic review. American Journal of Speech-Language Pathology, 27, 1546–1571.
McLeod, S., Verdon, S., & The International Expert Panel on Multilingual Children's Speech. (2017). Tutorial: Speech assessment for multilingual children who do not speak the same language(s) as the speech-language pathologist. American Journal of Speech-Language Pathology, 26, 691–708.
McNeill, B. C., & Hesketh, A. (2010). Developmental complexity of the stimuli included in mispronunciation detection tasks. International Journal of Language & Communication Disorders, 45, 72–82.
McReynolds, L. V., & Bennett, S. (1972). Distinctive feature generalization in articulation training. Journal of Speech and Hearing Disorders, 37, 462–470.
Morley, D. (1952). A ten-year survey of speech disorders among university students. Journal of Speech and Hearing Disorders, 17, 25–31.
National Institute for Literacy. (2009). Developing early literacy: Report of the National Early Literacy Panel. A scientific synthesis of early literacy development and implications for intervention. Washington, DC: U.S. Department of Education.
National Institute of Child Health and Human Development. (2000). Teaching children to read: An evidence-based assessment of the scientific research literature on reading and its implications for reading instruction [Report of the National Reading Panel]. Washington, DC: Author.
Overby, M.S., Trainin, G., Smit, A. B., Bernthal, J. E., & Nelson, R. (2012). Preliteracy speech sound production skill and later literacy outcomes: A study using the Templin Archive. Language, Speech, and Hearing Services in Schools, 43, 97–115.
Pascoe, M., Stackhouse, J., & Wells, B. (2006). Persisting speech difficulties in children: Children's speech and literacy difficulties, Book 3. West Sussex, England: Whurr.
Peña-Brooks, A., & Hegde, M. N. (2015). Assessment and treatment of articulation and phonological disorders in children. Austin, TX: Pro-Ed.
Peterson, R. L., Pennington, B. F., Shriberg, L. D., & Boada, R. (2009). What influences literacy outcome in children with speech sound disorder? Journal of Speech, Language, and Hearing Research, 52, 1175-1188.
Powell, T. W., & Miccio, A. W. (1996). Stimulability: A useful clinical tool. Journal of Communication Disorders, 29, 237–253.
Preston, J. L., Brick, N., & Landi, N. (2013). Ultrasound biofeedback treatment for persisting childhood apraxia of speech. American Journal of Speech-Language Pathology, 22, 627–643.
Preston, J. L., McCabe, P., Rivera-Campos, A., Whittle, J. L., Landry, E., & Maas, E. (2014). Ultrasound visual feedback treatment and practice variability for residual speech sound errors. Journal of Speech, Language, and Hearing Research, 57, 2102–2115.
Prezas, R. F., & Hodson, B. W. (2010). The cycles phonological remediation approach. In A. L. Williams, S. McLeod, & R. J. McCauley (Eds.), Interventions for speech sound disorders in children (pp. 137–158). Baltimore, MD: Brookes.
Section 504 of the Rehabilitation Act of 1973, P.L. No. 93-112, 29 U.S.C. § 794.
Roth, F. P., & Worthington, C. K. (2015). Treatment resource manual for speech-language pathology. San Diego, CA: Plural Publishing.
Ruder, K. F., & Bunce, B. H. (1981). Articulation therapy using distinctive feature analysis to structure the training program: Two case studies. Journal of Speech and Hearing Disorders, 46, 59–65.
Rvachew, S. (1994). Speech perception training can facilitate sound production learning. Journal of Speech, Language, and Hearing Research, 37, 347–357.
Rvachew, S., & Bernhardt, B. M. (2010). Clinical implications of dynamic systems theory for phonological development. American Journal of Speech-Language Pathology, 19, 34–50.
Rvachew, S., Nowak, M., & Cloutier, G. (2004). Effect of phonemic perception training on the speech production and phonological awareness skills of children with expressive phonological delay. American Journal of Speech-Language Pathology, 13, 250–263.
Rvachew, S., Rafaat, S., & Martin, M. (1999). Stimulability, speech perception skills, and treatment of phonological disorders. American Journal of Speech-Language Pathology, 8, 33–43.
Shriberg, L. D. (1980). An intervention procedure for children with persistent /r/ errors. Language, Speech, and Hearing Services in Schools, 11, 102–110.
Shriberg, L. D., & Austin, D. (1998). Comorbidity of speech-language disorders: Implications for a phenotype marker for speech delay. In R. Paul (Ed.), The speech-language connection (pp. 73–117). Baltimore, MD: Brookes.
Shriberg, L. D., Austin, D., Lewis, B., McSweeny, J. L., & Wilson, D. L. (1997). The percentage of consonants correct (PCC) metric: Extensions and reliability data. Journal of Speech, Language, and Hearing Research, 40, 708–722.
Shriberg, L. D., Fourakis, M., Hall, S. D., Karlsson, H. B., Lohmeier, H. L., McSweeny, J. L., . . . Wilson, D. L. (2010). Extensions to the speech disorders classification system (SDCS). Clinical Linguistics & Phonetics, 24, 795–824.
Shriberg, L. D., & Kwiatkowski, J. (1980). Natural Process Analysis (NPA): A procedure for phonological analysis of continuous speech samples. New York, NY: Macmillan.
Shriberg, L. D., & Kwiatkowski, J. (1982a). Phonological disorders II: A conceptual framework for management. Journal of Speech and Hearing Disorders, 47, 242–256.
Shriberg, L. D., & Kwiatkowski, J. (1982b). Phonological disorders III: A procedure for assessing severity of involvement. Journal of Speech and Hearing Disorders, 47, 256–270.
Shriberg, L. D., & Kwiatkowski, J. (1994). Developmental phonological disorders I: A clinical profile. Journal of Speech and Hearing Research, 37, 1100–1126.
Shriberg, L. D., Tomblin, J. B., & McSweeny, J. L. (1999). Prevalence of speech delay in 6-year-old children and comorbidity with language impairment. Journal of Speech, Language, and Hearing Research, 42, 1461–1481.
Silva, P. A., Chalmers, D., & Stewart, I. (1986). Some audiological, psychological, educational and behavioral characteristics of children with bilateral otitis media with effusion. Journal of Learning Disabilities, 19, 165–169.
Stackhouse, J. (2006). Speech and spelling difficulties: Who is at risk and why? In M. Snowling & J. Stackhouse (Eds.), Dyslexia speech and language: A practitioner's handbook (pp. 15–35). West Sussex, England: Whurr.
Storkel, H. L. (2018). The complexity approach to phonological treatment: How to select treatment targets. Language, Speech, and Hearing Sciences in Schools, 49, 463–481.
Teele, D. W., Klein, J. O., Chase, C., Menyuk, P., & Rosner, B. A. (1990). Otitis media in infancy and intellectual ability, school achievement, speech, and language at 7 years. Journal of Infectious Disease, 162, 685–694.
Tyler, A. A., & Tolbert, L. C. (2002). Speech-language assessment in the clinical setting. American Journal of Speech-Language Pathology, 11, 215–220.
U.S. Department of Education, Office for Civil Rights. (2011). Transition of students with disabilities to postsecondary education: A guide for high school educators. Washington, DC: Author. Retrieved from
Wagner, R. K., & Torgesen, J. K. (1987). The nature of phonological processing and its causal role in the acquisition of reading skills. Psychological Bulletin, 101, 192–212.
Weiner, F. (1981). Treatment of phonological disability using the method of meaningful minimal contrast: Two case studies. Journal of Speech and Hearing Disorders, 46, 97–103.
Williams, A. L. (2000a). Multiple oppositions: Case studies of variables in phonological intervention. American Journal of Speech-Language Pathology, 9,289–299.
Williams, A. L. (2000b). Multiple oppositions: Theoretical foundations for an alternative contrastive intervention approach. American Journal of Speech-Language Pathology, 9, 282–288.
Williams, A. L. (2003a). Speech disorders resource guide for preschool children. Clifton Park, NY: Delmar Learning.
Williams, A. L. (2003b). Target selection and treatment outcomes. Perspectives on Language Learning and Education, 10, 12–16.
Williams, A. L. (2012). Intensity in phonological intervention: Is there a prescribed amount? International Journal of Speech-Language Pathology, 14, 456–461.
Williams, A. L., McLeod, S., & McCauley, R. J. (2010). Direct speech production intervention. In A. L. Williams, S. McLeod, & R. J. McCauley (Eds.), Interventions for speech sound disorders in children (pp. 27–39). Baltimore, MD: Brookes.
Wolfe, V., Presley, C., & Mesaris, J. (2003). The importance of sound identification training in phonological intervention. American Journal of Speech-Language Pathology, 12, 282–288.
World Health Organization. (2001). International classification of functioning, disability and health. Geneva, Switzerland: Author.
Wren, Y., Miller, L. L., Peters, T. J., Emond, A., & Roulstone, S. (2016). Prevalence and predictors of persistent speech sound disorder at eight years old: Findings from a population cohort study. Journal of Speech, Language, and Hearing Research, 59, 647–673.
Wren, Y. E., Roulstone, S. E., & Miller, L. L. (2012). Distinguishing groups of children with persistent speech disorder: Findings from a prospective population study. Logopedics Phoniatrics Vocology, 37, 1–10.