[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-564633-105":53,"doc-detail-564633-en":127},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":120,"head_meta":122,"extra_data":124,"updated_unix":126},105,"en","speech-sound-acquisition-chart-90-at-the-word-level","Speech Sound Acquisition Chart - 90% at the Word Level","","The document provides a reference chart linking age ranges to the point when 90% of English-speaking children produce specific speech sounds at the word level. It notes that normative data from Crowe and McLeod* include a standard deviation spanning 6 to 18 months based on the speech sound. It also outlines eligibility considerations for speech or language impairment under IDEA, including delayed articulation, reduced intelligibility, limited stimulability for in-error sounds, and adverse impacts on educational and social-emotional or vocational development, while accounting for dialect and cultural or language background.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/speech-sound-acquisition-chart-90-at-the-word-level/564633/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/speech-sound-acquisition-chart-90-at-the-word-level/564633.png","ImageObject",442,249,{"name":88,"@type":89},"supergirl","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-30","2026-10-12",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",8,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"What does the 90% speech sound chart describe?","Question",{"text":109,"@type":110},"It shows acquisition of speech sounds based on ages when 90% of English-speaking children produce single sounds at the word level.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"How is the normative data variability stated?",{"text":114,"@type":110},"The document states the standard deviation for the Crowe and McLeod normative data is 6 to 18 months, depending on the specific speech sound.",{"name":116,"@type":107,"acceptedAnswer":117},"What criteria must be met for IDEA services for speech sound or language impairment?",{"text":118,"@type":110},"The student must have documented delayed speech sound production, intelligibility below expected age range, limited stimulability for in-error sounds, no explanation attributable to age/culture/language background/dialect, and communication delays that adversely impact educational performance or social-emotional or vocational development.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},564633,1792086189,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":9,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":4},962088121634,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","The following chart shows acquisition of speech sounds based on the ages when 90% of English speaking children produce single sounds at the word level. The standard deviation for the Crowe and McLeod* normative data is 6 months to 18 months depending on the specific speech sound. Some sound differences may be part of a student’s regional or community dialect. To qualify for services under IDEA, students must meet all impairment category criteria.  \n\n| Phoneme | yrs;mo | 3.0 | 3.6 | 4.0 | 4.6 | 5.0 | 5.6 | 6.0 | 6.6 | 7.0 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| m |  |  |  |  |  |  |  |  |  |  |\n| h |  |  |  |  |  |  |  |  |  |  |\n| w |  |  |  |  |  |  |  |  |  |  |\n| p |  |  |  |  |  |  |  |  |  |  |\n| b |  |  |  |  |  |  |  |  |  |  |\n| d |  |  |  |  |  |  |  |  |  |  |\n| n |  |  |  |  |  |  |  |  |  |  |\n| f |  |  |  |  |  |  |  |  |  |  |\n| k |  |  |  |  |  |  |  |  |  |  |\n| g |  |  |  |  |  |  |  |  |  |  |\n| t |  |  |  |  |  |  |  |  |  |  |\n| j as in “yellow” |  |  |  |  |  |  |  |  |  |  |\n| “ng” as in “wing” |  |  |  |  |  |  |  |  |  |  |\n| l |  |  |  |  |  |  |  |  |  |  |\n| v |  |  |  |  |  |  |  |  |  |  |\n| s |  |  |  |  |  |  |  |  |  |  |\n| z |  |  |  |  |  |  |  |  |  |  |\n| “sh” |  |  |  |  |  |  |  |  |  |  |\n| “ch” |  |  |  |  |  |  |  |  |  |  |\n| “dz” in “fudge” |  |  |  |  |  |  |  |  |  |  |\n| r |  |  |  |  |  |  |  |  |  |  |\n| “th” voiced as in “this” |  |  |  |  |  |  |  |  |  |  |\n| “zh” in “equation” |  |  |  |  |  |  |  |  |  |  |\n| “th” voiceless as in “thin” |  |  |  |  |  |  |  |  |  |  |\n\n*Crowe, K., & McLeod, S. (2020). Children’s English consonant acquisition in the United States: A review. American Journal of Speech-Language Pathology. [https://doi.org/10.1044/2020_AJSLP-19-00168](https://doi.org/10.1044/2020_AJSLP-19-00168)  \nSpeech or Language Impairment Disability Category Criteria in Wisconsin PI 36(5)  \n• The student’s speech sound production (i.e., articulation) is documented to be delayed when compared to communication skills expected for the student’s culture, language background, or dialect, as evidenced through an observation in a natural environment and measurement of at least one of the following:  \no Criterion-referenced assessment, such as a developmental scale or phonetic inventory  \no Scores significantly discrepant from typical on a norm-referenced assessment  \n• The student’s intelligibility is below the expected range for their age. Intelligibility ratings as documented by school staff or caregivers indicate an impact across environments.  \n• The student is less than 30% stimulable for speech sounds found in error.  \n• Consideration was given to the student’s age, culture, language background, and dialect and determined to not be the reason for the language delay.  \n• There is a delay in communication that adversely impacts the student’s educational performance or social, emotional or vocational development.","cbCailvYgwDzzAjj","https://ap.wps.com/l/cbCailvYgwDzzAjj","pdf",137219,"English","# Speech sound acquisition reference\n## Normative data and standard deviation notes\n# IDEA qualification criteria for speech/language impairment\n## Articulation delay evidence\n## Intelligibility and stimulability requirements\n## Consideration of dialect and language background\n## Adverse impact on development","[{\"question\":\"What does the 90% speech sound chart describe?\",\"answer\":\"It shows acquisition of speech sounds based on ages when 90% of English-speaking children produce single sounds at the word level.\"},{\"question\":\"How is the normative data variability stated?\",\"answer\":\"The document states the standard deviation for the Crowe and McLeod normative data is 6 to 18 months, depending on the specific speech sound.\"},{\"question\":\"What criteria must be met for IDEA services for speech sound or language impairment?\",\"answer\":\"The student must have documented delayed speech sound production, intelligibility below expected age range, limited stimulability for in-error sounds, no explanation attributable to age/culture/language background/dialect, and communication delays that adversely impact educational performance or social-emotional or vocational development.\"}]","Speech Sound Acquisition Chart - 90% at the Word Level | PDF",1791843339]