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Disorder of written expression is a type of learning disability in which a person’s writing ability falls substantially below normally expected range based on the individual’s age, educational background, and measured intelligence. Poor writing skills must interfere significantly with academic progress or daily activities that involves written expression (spelling, grammar, handwriting, punctuation, word usage, etc.). This disorder is also generally concurrent with disorders of reading and/or mathematics, as well as disorders related to behavior. Since it is so often associated with other learning disorders and mental problems, it is uncertain whether it can appear by itself.〔(【引用サイトリンク】url=http://emedicine.medscape.com/article/1835883-overview )〕 The prevalence of disorder of written expression is estimated to be of a similar frequency to other learning disorders, between 3 - 5%. A diagnosis can be made based on results of several assessments.〔The most valuable sources of assessment are considered to be functional assessment of writing skills and standardized test scores.〕〔Tests of achievement in written language vary in how they are made up and what methods are used to measure skills, but several of the most well known ones include the Diagnostic Evaluation of Writing Skills (DEWS); the Test of Early Written Language (TEWL); and the Test of Adolescent Language.〕 ==Symptoms== *Multiple spelling mistakes *Errors in grammar and punctuation *Exceptionally poor or illegible writing *Sentences that lack cohesion *Reluctance or refusal to complete writing tasks *Anxiety or frustration (breaking pencils, tearing up homework assignments, ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Disorder of written expression」の詳細全文を読む スポンサード リンク
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