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1.
J Exp Child Psychol ; 245: 105963, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-38815539

RESUMO

Learning to spell in an inconsistent orthographic system is a true challenge for primary school children. Previous empirical studies have highlighted three main skills involved in this learning process: phonological skills, morphological skills, and children's sensitivity to graphotactic regularities. However, the literature shows contradictions in the exact nature of the contribution of each skill at different stages of the learning process. So, the aim of our study was to test the contribution of this set of skills in the acquisition of lexical spelling as a function of children's grade level. For this purpose, we assessed these dimensions in a cross-sectional sample of 1101 French-speaking children from Grade 1 to Grade 5. The analyses were conducted using data-driven exploratory network modeling. The results showed (a) a predominant role of phonological skills at the beginning of learning, which tends to decrease with advancing schooling; (b) an increasing contribution of morphological skills from Grade 1 to Grade 5 with a drop in Grade 4, which is the only contribution that continues to increase in Grade 5; and (c) a contribution of the sensitivity to graphotactic regularities that tends to be stable until Grade 4 before decreasing in Grade 5. Our findings show the importance of all three skills in a dynamic process in learning to spell. The implications of these results are discussed in light of the integration of multiple patterns model of learning to spell.


Assuntos
Fonética , Humanos , Estudos Transversais , Masculino , Feminino , Criança , França , Desenvolvimento da Linguagem , Aprendizagem , Instituições Acadêmicas , Idioma
2.
J Exp Child Psychol ; 244: 105944, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38705096

RESUMO

This study aimed to assess the impact of an interactive spelling program on reading acquisition of children at risk of developing reading difficulties as well as to assess its effect on spelling and phonemic awareness. From an initial pool of 144 first-grade children attending four Portuguese primary schools, 53 children with low performances in letter knowledge and phonemic awareness tasks, and considered by their teachers to be at risk of developing reading difficulties, were selected. These children were randomly assigned to three groups: an experimental group that underwent an interactive spelling program, a comparison group that underwent a phonological awareness program, and a control group that underwent a copying program. The programs, conducted in pairs, comprised 12 sessions lasting 20 to 30 min twice a week. The pretest and posttest included word reading, word spelling, and phonemic awareness assessments. Data analysis showed that the spelling group significantly outperformed the other groups across all measures except in the phonemic awareness task, where there were no differences with the phonological group. The word copying group consistently yielded the lowest results. Unlike the other two groups, the posttest results of the experimental group also reached the class average in word reading. For ethical reasons, after the final assessments the control group underwent a version of the interactive spelling program. This study suggests that spelling activities can contribute significantly to reading acquisition and can serve as a valuable pedagogical tool to proactively address challenges in learning to read.


Assuntos
Dislexia , Fonética , Leitura , Humanos , Feminino , Masculino , Criança , Dislexia/psicologia , Portugal , Conscientização
3.
J Exp Child Psychol ; 243: 105926, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38640887

RESUMO

The current study investigated linguistic predictors of word reading and spelling skills in a cross-linguistic comparison (French vs. Italian) in heritage bilinguals (HBs) and their monolingual peers. The sample included 265 children (French: n = 113; 67 monolinguals and 46 HBs; Italian: n = 152; 82 monolinguals and 70 HBs) attending Grades 3, 4, and 5 while performing oral language, reading, and spelling tasks. The battery included verbal knowledge, morphosyntactic comprehension, nonword repetition, word reading (speed and accuracy), and spelling tasks. Results showed that for reading speed, there were no main effects of single predictors, but a significant interaction of morphosyntactic comprehension by language of schooling emerged. For reading accuracy, there was a main effect of verbal knowledge and syntactic comprehension, with a significant interaction of verbal knowledge and language of schooling. Finally, spelling accuracy was predicted only by linguistic status. The results suggest different pathways for word reading and spelling, with oral language skills' main role in reading accuracy and linguistic status's main role in spelling skills, possibly hindered by linguistic exposure and lexical access. Discussions are focused on potential implications for multilingual settings and cross-linguistic research.


Assuntos
Compreensão , Multilinguismo , Leitura , Humanos , Masculino , Feminino , Criança , Itália , Linguística , Idioma
4.
J Exp Child Psychol ; 246: 106019, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-39033605

RESUMO

The current study examined the potentially changing relations of vocabulary knowledge and attentional control with word reading and spelling from Grade 2 to Grade 4. Spelling was scored using a conventional correctness score and an alternative nonbinary scoring method that reflects the degree of correctness (i.e., text distance). A total of 165 Grade 2 English-speaking children in the United States were longitudinally followed from Grade 2 to Grade 4 with annual assessments on word reading, spelling, vocabulary, and attentional control. Results from multiple linear regression models in each grade revealed that spelling was significantly related with vocabulary in Grades 3 and 4 and to attentional control in Grades 2 and 3. A reverse pattern emerged for word reading, where word reading was significantly related with vocabulary only in Grade 2 and to attentional control only in Grade 4. The results were similar for either spelling scoring method. Our findings underscore the dynamic relations of vocabulary and attentional control with word reading and spelling for children in Grades 2 to 4. Nonbinary scoring methods for spelling such as text distance might not provide additional insights compared with conventional correctness scores for the relations of vocabulary and attentional control with spelling.


Assuntos
Atenção , Leitura , Vocabulário , Humanos , Feminino , Masculino , Criança , Estudos Longitudinais
5.
J Exp Child Psychol ; 244: 105927, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38678807

RESUMO

Children's emergent literacy skills are essential for the development of later literacy abilities and school success. However, children with migration background often show poorer language skills in the majority language and are at a greater risk of developing literacy deficits. In addition, there is evidence for the predictive role of emergent literacy skills in reading comprehension, but there has been relatively little research concerning the association between preschool emergent literacy skills and word reading and spelling in Germany, especially for children with migration background. This study examines the associations of emergent literacy skills (vocabulary, phonological awareness [PA], letter knowledge, and rapid naming) with word reading and spelling from kindergarten to the end of Grade 2 and evaluates the role of migration background (i.e., use of the majority or minority language at home) in these associations. Data from 187 preschool children were obtained before school entry (Mage = 63.58 months, SD = 4.45). The results show that vocabulary and letter knowledge were strong predictors of word reading, whereas letter knowledge and PA were significant predictors of spelling. Furthermore, children's migration background was negatively associated with preschool vocabulary and PA. For children with migration background, vocabulary was a significant predictor of word reading, whereas letter knowledge was the best predictor of word reading for children without migration background. The results reflect the complexity of language development and the relevance of emergent literacy skills as predictors for word reading and spelling. Specific interventions should be developed to promote children's literacy abilities.


Assuntos
Alfabetização , Leitura , Vocabulário , Humanos , Alemanha , Masculino , Feminino , Pré-Escolar , Criança , Fonética , Compreensão
6.
Dyslexia ; 30(4): e1786, 2024 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-39192588

RESUMO

Presentation features such as spelling, punctuation and handwriting can influence the evaluation of general text quality. High school students with dyslexia might therefore be at a disadvantage, as at least their spelling performance is typically poor(er). Furthermore, these students might show less sophisticated linguistic features of texts, such as word length and sentence complexity, that might also be related to text quality. We compared narratives written by Dutch high school students (mean age 13.7 years) with (n = 28) and without (n = 29) dyslexia. Students with dyslexia's texts contained more spelling errors and poorer handwriting quality, but not more punctuation errors. Teacher-rated general text quality was lower for the texts of students with dyslexia in uncorrected versions. When spelling and punctuation errors were corrected, no teacher-rated text quality differences emerged. No differences in linguistic text features were found. Furthermore, spelling, punctuation and, to a lesser extent, number of words per sentence clause were related to ratings of text quality across participants. These results confirm the influence of presentation features on text quality rating. They encourage teachers to be aware of this effect and emphasize the importance of spelling and writing support and interventions for students with dyslexia throughout education.


Assuntos
Dislexia , Escrita Manual , Estudantes , Redação , Humanos , Adolescente , Masculino , Feminino , Países Baixos , Estudantes/psicologia , Leitura , Narração
7.
Dyslexia ; 30(1): e1758, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38224428

RESUMO

Telemedicine approaches have proved to be valuable solutions for the delivery of treatment for many health-related issues, and crucial during the pandemics. Nonetheless, the efficacy of such Web-based practices in developmental dyslexia needs to be thoroughly evaluated. To this aim, the effects of a multi-componential program for neuropsychological intervention in dyslexia delivered as an outpatient program were compared with those obtained with a remotely delivered, Web-based treatment, based on the same methodological principles and delivered with the same duration and intensity. The treatment-related changes obtained with a combination of visual hemisphere-specific stimulation and training of visual-spatial attention through action video games, were compared to those obtained through remote treatment via the Tachidino Web-based platform. Both treatments had a duration of 4 weeks. The same battery of reading and phonemic awareness tests was delivered in presence, before and after treatment, as well as at 6-months follow-up. User satisfaction was assessed through parents and user questionnaires. Both treatments were significantly and similarly effective in improving reading speed, reading accuracy, and writing accuracy. No reduction in the effects was observed after treatment discontinuation. The Web-based treatment may thus offer a valid alternative to in-person intervention, optimizing the flexibility, capillary diffusion and cost-effectiveness of intervention.


Assuntos
Dislexia , Leitura , Humanos , Dislexia/terapia , Dislexia/psicologia , Estudos Prospectivos , Idioma , Atenção
8.
BMC Med Inform Decis Mak ; 24(1): 220, 2024 Aug 05.
Artigo em Inglês | MEDLINE | ID: mdl-39103825

RESUMO

BACKGROUND: The accuracy of spelling in Electronic Health Records (EHRs) is a critical factor for efficient clinical care, research, and ensuring patient safety. The Persian language, with its abundant vocabulary and complex characteristics, poses unique challenges for real-word error correction. This research aimed to develop an innovative approach for detecting and correcting spelling errors in Persian clinical text. METHODS: Our strategy employs a state-of-the-art pre-trained model that has been meticulously fine-tuned specifically for the task of spelling correction in the Persian clinical domain. This model is complemented by an innovative orthographic similarity matching algorithm, PERTO, which uses visual similarity of characters for ranking correction candidates. RESULTS: The evaluation of our approach demonstrated its robustness and precision in detecting and rectifying word errors in Persian clinical text. In terms of non-word error correction, our model achieved an F1-Score of 90.0% when the PERTO algorithm was employed. For real-word error detection, our model demonstrated its highest performance, achieving an F1-Score of 90.6%. Furthermore, the model reached its highest F1-Score of 91.5% for real-word error correction when the PERTO algorithm was employed. CONCLUSIONS: Despite certain limitations, our method represents a substantial advancement in the field of spelling error detection and correction for Persian clinical text. By effectively addressing the unique challenges posed by the Persian language, our approach paves the way for more accurate and efficient clinical documentation, contributing to improved patient care and safety. Future research could explore its use in other areas of the Persian medical domain, enhancing its impact and utility.


Assuntos
Registros Eletrônicos de Saúde , Processamento de Linguagem Natural , Humanos , Registros Eletrônicos de Saúde/normas , Algoritmos , Irã (Geográfico)
9.
Sci Stud Read ; 28(2): 120-141, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38523895

RESUMO

Purpose: The lexical quality (LQ) hypothesis predicts that a skilled reader's lexicon will be inhabited by a range of low- to high-quality items, and the probability of representing a word with high quality varies as a function of person-level, word-level, and item-specific variables. These predictions were tested with spelling accuracy as a gauge of LQ. Method: Item-response based crossed random effects models explored simultaneous contributions of person-level (e.g., participant's decoding skill), word-level (e.g., word's transparency rating), item-specific (e.g., participant's familiarity with specific word), and person-by-word interaction predictors (e.g., decoding by transparency rating interaction) to the spelling of 25 commonly misspelled irregular English words in 61 undergraduate university students (M = 19.4 years, 70.49% female, 39.34% Hispanic, 81.97% White). Results: Substantial variance among individuals in item-level spelling accuracy was accounted for by person-level decoding skill; item-specific familiarity, proportion of schwas correctly represented, and correctly identifying the word from its mispronunciation; and an interaction of transparency rating by general decoding skill. Conclusions: Consistent with the LQ hypothesis, results suggest that one's ability to form a high-quality lexical representation of a given word depends on a complex combination of person-level abilities, word-level characteristics, item-specific experiences, and an interaction between person- and word-level influences.

10.
Phonetica ; 81(2): 221-264, 2024 Apr 25.
Artigo em Inglês | MEDLINE | ID: mdl-38095565

RESUMO

The present article describes a modified and extended replication of a corpus study by Brewer (2008. Phonetic reflexes of orthographic characteristics in lexical representation. Tucson, AZ: University of Arizona PhD thesis) which reports differences in the acoustic duration of homophonous but heterographic sounds. The original findings point to a quantity effect of spelling on acoustic duration, i.e., the more letters are used to spell a sound, the longer the sound's duration. Such a finding would have extensive theoretical implications and necessitate more research on how exactly spelling would come to influence speech production. However, the effects found by Brewer (2008) did not consistently reach statistical significance and the analysis did not include many of the covariates which are known by now to influence segment duration, rendering the robustness of the results at least questionable. Employing a more nuanced operationalization of graphemic units and a more advanced statistical analysis, the current replication fails to find the reported effect of letter quantity. Instead, we find an effect of graphemic complexity. Speakers realize consonants that do not have a visible graphemic correlate with shorter durations: the /s/ in tux is shorter that the /s/ in fuss. The effect presumably resembles orthographic visibility effects found in perception. In addition, our results highlight the need for a more rigorous approach to replicability in linguistics.


Assuntos
Idioma , Fonética , Humanos , Fala , Acústica , Projetos de Pesquisa
11.
Behav Res Methods ; 56(3): 1283-1313, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37553536

RESUMO

Research on orthographic consistency in English words has selectively identified different sub-syllabic units in isolation (grapheme, onset, vowel, coda, rime), yet there is no comprehensive assessment of how these measures affect word identification when taken together. To study which aspects of consistency are more psychologically relevant, we investigated their independent and composite effects on human reading behavior using large-scale databases. Study 1 found effects on adults' naming responses of both feedforward consistency (orthography to phonology) and feedback consistency (phonology to orthography). Study 2 found feedback but no feedforward consistency effects on visual and auditory lexical decision tasks, with the best predictor being a composite measure of consistency across grapheme, rime, OVC, and word-initial letter-phoneme. In Study 3, we explicitly modeled the reading process with forward and backward flow in a bidirectionally connected neural network. The model captured latent dimensions of quasi-regular mapping that explain additional variance in human reading and spelling behavior, compared to the established measures. Together, the results suggest interactive activation between phonological and orthographic word representations. They also validate the role of computational analyses of language to better understand how print maps to sound, and what properties of natural language affect reading complexity.


Assuntos
Fonética , Percepção da Fala , Adulto , Humanos , Idioma , Leitura , Percepção da Fala/fisiologia , Gerenciamento de Dados
12.
Behav Res Methods ; 56(7): 6826-6861, 2024 10.
Artigo em Inglês | MEDLINE | ID: mdl-38594441

RESUMO

This work introduces the English Sublexical Toolkit, a suite of tools that utilizes an experience-dependent learning framework of sublexical knowledge to extract regularities from the English lexicon. The Toolkit quantifies the empirical regularity of sublexical units in both the reading and spelling directions (i.e., grapheme-to-phoneme and phoneme-to-grapheme) and at multiple grain sizes (i.e., phoneme/grapheme and onset/rime unit size). It can extract multiple experience-dependent regularity indices for words or pseudowords, including both frequency indices (e.g., grapheme frequency) and conditional probability indices (e.g., grapheme-to-phoneme probability). These tools provide (1) superior estimates of the regularities that better reflect the complexity of the sublexical system relative to previously published indices and (2) completely novel indices of sublexical units such as phonographeme frequency (i.e., combined units of individual phonemes and graphemes that are independent of processing direction). We demonstrate that measures from the toolkit explain significant amounts of variance in empirical data (naming of real words and lexical decision), and either outperform or are comparable to the best available consistency measures. The flexibility of the toolkit is further demonstrated by its ability to readily index the probability of different pseudowords pronunciations, and we report that the measures account for the majority of variance in these empirically observed probabilities. Overall, this work provides a framework and resources that can be flexibly used to identify optimal corpus-based consistency measures that help explain reading/spelling behaviors for real and pseudowords.


Assuntos
Fonética , Leitura , Humanos , Idioma , Psicolinguística/métodos
13.
Folia Phoniatr Logop ; 76(1): 58-67, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-37331344

RESUMO

INTRODUCTION: In learning to read, children learn to integrate orthographic, phonological, and semantic codes into highly specified and redundant lexical representations. The aim is to test a proposed model for the relationship between phonological awareness (PA) and rapid automatized naming (RAN) as mediated by word reading (WR) and spelling (SP) in children with developmental dyslexia (DD), attention deficit hyperactivity disorder (ADHD), and mild intellectual disability (ID). METHODS: The relation between PA and RAN was found to be mediated by WR and SP in children with DD, ADHD, and mild ID. Three groups of children were included: DD children (N = 70), ADHD children (N = 68), and ID children (N = 69). This is a quantitative correlational, cross-sectional study investigating the strength and direction of relationships among proposed variables. RESULTS: The relation between PA and RAN was found to be mediated by WR and SP. Based on their correlation analysis, the researcher concluded that there are significant correlations between PA, RAN, WR, and SP. PA correlates positively with RAN and SP. RAN correlates positively with WR and SP. CONCLUSION: The study extended our knowledge of the relationship between PA and RAN as mediated by WR and SP in children with DD, ADHD, and mild ID. In practice, this is conducive to promote the utilization of "PA" and "RAN" so as to improve the early literacy skills (WR and SP) among children with DD, ADHD, and mild ID.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade , Dislexia , Deficiência Intelectual , Criança , Humanos , Leitura , Estudos Transversais , Fonética
14.
Augment Altern Commun ; : 1-14, 2024 Jun 08.
Artigo em Inglês | MEDLINE | ID: mdl-38850197

RESUMO

The aim of this interpretive qualitative study was to explore how environmental factors influence the transition from relying solely on graphic symbols to using spelling in face-to-face communicative interactions, from the perspective of literate adults with speech and motor impairments who use augmentative and alternative communication (AAC). Fourteen adults either chose to submit a written story with weekly email follow-up, took part in interviews conducted via Zoom1, or chose to communicate solely by email. Researchers analyzed data using Charmaz's (2014) constructivist grounded theory approach. The analysis yielded three themes explaining environmental factors relevant to the transition from using graphic symbols to spelling in communication: (a) access to AAC systems and services; (b) knowledgeable and supportive communication partners who have high expectations; and (c) opportunities to learn reading, writing, and spelling. Supportive factors included providing sufficient time for spelling in communicative interactions, structured learning opportunities for practice and independence, opportunities to learn through socially meaningful interactions and having print-rich and language-rich activity settings. Slow speed in navigating graphic symbols and lack of ability to express an exact message were motivational reasons for participants to use spelling in communicative interactions. The interaction among environmental factors and person-related characteristics warrants further investigation.

15.
Cogn Neuropsychol ; 40(5-6): 215-242, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38470966

RESUMO

ABSTRACTIn this work we introduce a new tool for measuring English spelling-sound consistency, the PG Toolkit, which we use to conduct detailed analyses of pseudoword spellings that provide new insights into the nature of sublexical and lexical representations. There are several key findings: first, sound-spelling consistency measured at two different "grain sizes", phonographeme and onset/rime, each explained unique variance in pseudoword spelling. Second, lexical skill was more related to pseudoword accuracy at the onset/rime level than at the phonographeme level, and individuals who chose more consistent mappings to spell pseudowords tended to have better lexical skill. Finally, no unique contribution of consistency in the reading direction ("feedback") was found after controlling for consistency in the spelling direction. Taken together, the results validate the various measures provided by the PG Toolkit and establish new evidence that supports an interpretation of sublexical processes as operations over hierarchically-structured representations.


Assuntos
Idioma , Fonética , Humanos , Leitura
16.
J Exp Child Psychol ; 236: 105756, 2023 12.
Artigo em Inglês | MEDLINE | ID: mdl-37544070

RESUMO

Recent research suggests that handwriting comprises two separate subskills: legibility and fluency. It remains unclear, however, how these subskills differ in their relationship to other abilities associated with handwriting, including spelling, graphomotor, and selective attention skills. In this study, we sought to examine the extent and nature of concurrent relationships that may exist among these skills. Children in Year 3 (n = 293), Year 4 (n = 291), and Year 5 (n = 283) completed a large, group-administered battery to assess each of the above skills. Using multigroup structural equation modeling, we found that spelling, graphomotor, and selective attention skills together explained a moderate amount of variance in handwriting legibility (R2 = .37-.42) and fluency (R2 = .41-.58) and that these subskills differed in their concurrent relations. Graphomotor skills accounted for a relatively greater proportion of variance in legibility than did spelling. Conversely, there were relatively stronger contributions from variations in spelling ability to variations in fluency than from graphomotor skills. Furthermore, selective attention predicted handwriting fluency only, and it partially mediated the influence of graphomotor skills. This study further demonstrates that handwriting legibility and fluency are separable and complex skills, each differentially related to spelling, graphomotor, and attentional abilities even during later primary school years.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade , Atenção , Criança , Humanos , Escrita Manual , Idioma
17.
J Exp Child Psychol ; 231: 105649, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-36871325

RESUMO

Much previous research on spelling and reading development has focused on single-syllable words. Here we examined disyllables, asking how learners of English mark the distinction between short and long first-syllable vowels by use of vowel digraphs and double-consonant digraphs. In a behavioral study, we asked participants in Grade 2 (n = 32, mean age ∼8 years), Grade 4 (n = 33, mean age ∼10 years), Grade 6 (n = 32, mean age ∼12 years), and university (n = 32; mean age ∼20 years) to spell nonwords with short and long first-syllable vowels. We found an increase across grade levels in use of vowel digraphs to represent long vowels, and we also found increasing use of double-consonant digraphs after short vowels. Participants generally avoided using both a vowel digraph and a following consonant digraph. In a vocabulary analysis, we examined use of vowel and double-consonant digraphs in the words to which readers of different grade levels are exposed. Children used vowel digraphs less often than anticipated on the basis of the vocabulary statistics, but university students used them at similar rates. For double-consonant digraphs after short vowels, rates of digraph use were lower in the behavioral data than in the vocabulary data even for university students. These results point to the difficulty of spelling a phoneme with multiple letters when those letters simultaneously spell another sound in a word. We discuss the results in terms of the roles of statistical learning and explicit instruction in the development of spelling.


Assuntos
Idioma , Fonética , Criança , Humanos , Adulto Jovem , Adulto , Vocabulário , Aprendizagem , Leitura
18.
J Exp Child Psychol ; 232: 105675, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37003152

RESUMO

Prior studies have shown that children are sensitive to the principle of root consistency, whereby root morphemes retain their spelling across related words. The current study used an implicit learning situation to examine, in 56 third grade and 56 fifth grade French-speaking children, whether orthographic learning of new morphologically simple words ending in a silent letter benefited from morphological relatedness with inflected and derived forms. In the morphological condition, the new words (e.g.,clirot with a final silentt) appeared in short stories along with a morphologically related form in which the silent letter of the root was pronounced, justifying the presence of the silent letter in the root word. The morphologically complex form was an inflectional form (e.g.,clirote) for half of the children and was a derived form (e.g.,clirotage) for the other half. In the nonmorphological condition, the new words were not accompanied by morphologically related forms. After children had read the stories, their orthographic learning was assessed by asking the children to choose the correct spelling of each nonword from among three phonologically plausible alternatives (e.g.,clirot,cliros, cliro). Children chose correct spellings more often in the morphological condition than in the nonmorphological condition for both types of morphology in Grade 5 but only for inflectional morphology in Grade 3. Our findings indicate that, in learning new spellings, French children seem to rely on the root consistency principle earlier for inflectional morphology than for derivational morphology. Possible reasons for this developmental delay in mastering derivational morphology are discussed.


Assuntos
Idioma , Fonética , Criança , Humanos , Aprendizagem , Leitura
19.
J Exp Child Psychol ; 229: 105625, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36701933

RESUMO

Stroke order knowledge is critical for Chinese reading and spelling acquisition. Previous studies have demonstrated enhancements of the N2 and P3 event-related potential (ERP) components at the Pz electrode to stroke order violations of Chinese characters in younger adults. However, it remained unclear whether similar ERP responses could be found in children. The current study investigated the ERP responses to stroke order violations of Chinese characters in children and examined the associations of the ERP responses with children's Chinese reading and spelling performance. A total of 26 Grade 2 Hong Kong Chinese children observed stroke-by-stroke displays of Chinese characters and judged whether the Chinese characters were written in the correct order. The ERP results showed larger anterior N2 and posterior P3 at the midline electrodes to the incorrect strokes than to the correct strokes. In addition, a smaller right lateralized temporal N2 response to the incorrect strokes was found in poor spellers as compared with good spellers of Chinese. The effect of the right lateralized temporal N2 response on reading performance was fully mediated through spelling ability. These results demonstrated increases in the anterior N2 and posterior P3 responses to stroke order violation of Chinese characters in second graders and suggest the right lateralized N2 response as a potential neural marker of Chinese literacy development in children.


Assuntos
Leitura , Acidente Vascular Cerebral , Criança , Humanos , Idioma , Potenciais Evocados/fisiologia , Alfabetização , Fonética
20.
Dyslexia ; 29(4): 408-425, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37726146

RESUMO

Technological reading and writing tools can help students with dyslexia improve their writing, but students do not use reading and writing functions as much as expected. However, research addressing relevant technological functions is scarce. This study explored the needs of writers with dyslexia and how technological writing tools developed for three Nordic languages meet these needs. Snowball sampling was used to identify different technological features, spellchecker, word prediction, auto-correction, text-to-speech and speech-to-text functions available in nine widely used programmes were investigated. The results indicated that students with moderate spelling difficulties can now achieve accurate spellings using the most sophisticated spelling aids; however, most of these features require time and attention, and this can disturb writing fluency and hamper text production. The implication of this study is that the underlying conflict between spelling accuracy and writing fluency must be actively managed, which necessitates competence in the use of technological tools for both students and teachers in school. Also, further development of tools for scaffolding transcription must consider the dilemma of achieving both writing fluency and spelling accuracy. Further, the accuracy of the aid for students with severe spelling difficulties remains unclear and must be investigated.


Assuntos
Dislexia , Humanos , Dislexia/diagnóstico , Leitura , Redação , Estudantes , Escolaridade
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