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Moor House Therapy Department continues to be at the forefront of research into the effectiveness of therapy interventions for school aged students with severe Developmental Language Disorder.

This ensures the work we do with students is driven by the most current evidence. Our research studies are led by Dr Susan Ebbels, Director of Research and Training and Highly Specialist Speech & Language Therapist.

Published articles by Moor House professionals


Campbell, L., Nicoll, H., & Ebbels, S. H. (2019). The effectiveness of semantic intervention for word-finding difficulties in college-aged students (16–19 years) with persistent Language Disorder. Autism & Developmental Language Impairments, 4, 2396941519870784. Link.

Ebbels S.H., McCartney, E., Slonims, V., Dockrell, J. E., & Norbury, C. F. (2019). Evidence-based pathways to intervention for children with language disorders. International Journal of Language & Communication Disorders, 54(1), 3-19. doi:10.1111/1460-6984.12387. Link

Norbury, C. F., McCartney, E., Slonims, V., Dockrell, J. E., & Ebbels, S. H. (2019). Public health approaches still have room for individualized services: response to commentaries on ‘Evidence-based pathways to intervention for children with language disorders’. International Journal of Language & Communication Disorders, 54(1), 28-29. doi:doi:10.1111/1460-6984.12436. Link.

Tobin, L. M., & Ebbels, S. H. (2019). Effectiveness of intervention with visual templates targeting tense and plural agreement in copula and auxiliary structures in school-aged children with complex needs: a pilot study. Clinical Linguistics & Phonetics, 33(1-2), 175-190. doi:10.1080/02699206.2018.1501608 Link accepted version

Scharff Rethfeldt, W. & Ebbels, S. (2019). Terminologie der Sprachentwicklungsstörung (SES) - Auf dem Weg zu einem internationalen Konsens. Forum Logopädie, 33 (4), 24-31. doi: 10.2443/skv-s-2019-53020190404


Wright, L., Pring, T. & Ebbels, S. (2018) Effectiveness of vocabulary intervention for older children with (developmental) language disorder. International Journal of Language & Communication Disorders, 53, 480–494. DOI:10.1111/1460-6984.12361. Link

Ebbels, S. H., & Spencer, S. (2018). Interventions for grammar for adolescents with Developmental Language Disorder (DLD). In S. Spencer (Ed.), Supporting Adolescents with Language Disorders. Guildford, Surrey, UK: J & R Press. Link 


Ebbels, S. H., Wright, L., Brockbank, S., Godfrey, C., Harris, C., Leniston, H., Neary, K., Nicoll, H., Nicoll, L., Scott, J. and Marić, N. (2017), Effectiveness of 1:1 speech and language therapy for older children with (developmental) language disorder. International Journal of Language & Communication Disorders, 52: 528–539. doi:10.1111/1460-6984.12297. LinkAccepted version

Ebbels, S. H. (2017) Intervention research: appraising study designs, interpreting findings and creating research in clinical practice. International Journal of Speech Language Pathology, 19, 218-231. doi:10.1080/17549507.2016.1276215 Linkaccepted version

Gallgaher, A.L & Ebbels, S.H. (2017) Language, literacy and numeracy outcomes of adolescents with (Developmental) Language Disorder following a collaborative model of SLT delivery in specialist education. Moor House School & College, Surrey, UK. Link

Bishop, D. V. M., Snowling, M. J., Thompson, P. A., Greenhalgh, T., & Catalise-consortium*. (2017). Phase 2 of CATALISE: a multinational and multidisciplinary Delphi consensus study of problems with language development: Terminology. Journal of Child Psychology and Psychiatry, 58: 1068–1080. doi:10.1111/jcpp.12721. Link

*Catalise consortium includes S.H. Ebbels


Bishop, D. V., Snowling, M. J., Thompson, P. A., Greenhalgh, T & Catalise consortium*. (2016). CATALISE: a multinational and multidisciplinary Delphi consensus study. Identifying language impairments in children (2167-9843). Link

*Catalise consortium includes S.H. Ebbels


Ebbels, S (2014) Introducing the SLI debate.International Journal of Language and Communication Disorders. 49, 377-380. Link

Ebbels, S. H. (2014). Effectiveness of intervention for grammar in school-aged children with primary language impairments: a review of the evidence.Child Language Teaching and Therapy, 30: 7-40. Link

Ebbels, S. H., Maric, N., Murphy, A., & Turner, G. (2014) Improving comprehension in adolescents with severe receptive language impairments: a randomised control trial of intervention for coordinating conjunctions. International Journal of Language and Communication Disorders, 49: 30-48. Link

Kulkarni, A., Pring, T. & Ebbels, S.H. (2014). Evaluating the effectiveness of therapy based around Shape Coding to develop the use of regular past tense morphemes in two children with language impairments. Child Language Teaching and Therapy, 30: 245-254. LinkAccepted version

Conti-Ramsden, G., Bishop, D., Clark, B., Frazier Norbury, C., & Snowling, M. (2014). Specific Language Impairment (SLI): The internet campaign to raise awareness of SLI. Psychology of Language and Communication, 18: 143 -148 Link


Ebbels, S.H., Nicoll, H., Clark, B., Eachus, B., Gallagher, A., Horniman, K., Jennings, M., McEvoy, K., Nimmo, E., Turner., G. (2012). Effectiveness of semantic therapy for children with word finding difficulties in pupils with a persistent language impairment: a randomised control trial. International Journal of Language and Communication Disorders, 47: 35-51. Winner of the 2012 IJLCD Article Prize LinkAccepted version 

Ebbels, S.H., Dockrell, J.D. & van der Lely, H.K.J (2012) Production of change-of-state, change-of-location and alternating verbs: a comparison of children with specific language impairment and typically developing children. Language and Cognitive Processes, 27 (9), 1312-1333. LinkAccepted version

Ebbels, S.H., Dockrell, J.D. & van der Lely, H.K.J (2012). Non-word repetition in adolescents with SLI.International Journal of Language & Communication Disorders, 47, 257-273. LinkAccepted version

Bishop, D.V.M., Clark, B., Conti-Ramsden, G., Frazier Norbury, C., & Snowling, M. (2012). RALLI: An internet campaign for raising awareness of language learning impairments. Child Language Teaching and Therapy. 28: 259 -262 Link


Ebbels, S.H. (2008). Improving grammatical skill in children with specific language impairment. In Norbury, C.F.., Tomblin, J.B. & Bishop, D.V.M (Eds.), Understanding developmental language disorders: from theory to practice (pp. 149-174). Hove: Psychology Press.  


Ebbels, S.H. (2007). Teaching grammar to school-aged children with Specific Language Impairment using Shape Coding. Child Language Teaching and Therapy, 23, 67-93. Most downloaded paper 2007-2015 LinkAccepted version with update notesVodcast.

Ebbels, S.H., van der Lely, H.K.J., and Dockrell, J.E. (2007). Intervention for verb argument structure in children with persistent SLI: a randomized control trial. Journal of Speech Language and Hearing Research,50, 1330-1349. LinkAccepted version

Joffe, V. L., Cain, K. and Maric, N. (2007), Comprehension problems in children with specific language impairment: does mental imagery training help? International Journal of Language & Communication Disorders, 42: 648–664. Summary. Link


Marshall, C, Ebbels, S, Harris, J, van der Lely, H. (2002) Investigating the impact of prosodic complexity on the speech of children with Specific Language Impairment. UCL Working Papers in Linguistics, 14,43-66

Ebbels, S. & van der Lely, H. (2001). Meta-syntactic therapy using visual coding for children with severe persistent SLI. International Journal of Language & Communication Disorders, 36(supplement), 345-350. Submitted article

Ebbels, S. (2000) Psycholinguistic profiling of a hearing-impaired child