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We examined the developmental trajectories and cognitive predictors of first language Chinese reading, second language English reading, and mathematics skills in Hong Kong children in Grades 1-5. We used longitudinal data of 1,000 children (M[subscript age] = 7.59 years) assessed on phonological awareness, rapid naming, and morphological awareness in Grade 1 and Chinese word reading, English word reading, and arithmetic calculations in Grades 1-5. Results revealed a decelerating growth pattern for word reading in Chinese and English and a linear growth pattern for arithmetic calculations. Rapid naming and morphological awareness predicted the initial status of all academic skills. The findings suggest that although these academic skills share initial cognitive processes, they follow remarkably different developmental trajectories.

Word reading and word spelling are important processes of literacy acquisition for children. The longitudinal relationship between reading and spelling is still unclear, especially among bilinguals and biscriptals. In the present study, we compared the longitudinal word reading-spelling relationship in L1 (Chinese) and L2 (English), together with early cognitive-linguistic skills. Participants were 182 pairs of Chinese-English bilingual twins who were tested annually across 3 years on word reading and word spelling in both scripts. Chinese and English cognitive and linguistic skills were measured in the first year only (mean age = 7.38). Cross-lagged panel models were applied to analyze the longitudinal word reading-spelling relations. Predictors of word reading and word spelling differed between Chinese and English. Longitudinally, there were no bidirectional or unidirectional relationships between word reading and spelling in Chinese. In contrast, a reciprocal relationship between word reading and spelling was revealed in English. This study underscores similarities and differences in the development of literacy skills among biscriptal readers of L1 Chinese and L2 English.

This 13-month longitudinal study investigated whether different phonological processing components independently predicted individual differences in Chinese word reading and arithmetic. Three phonological processing skills [phonological awareness, phonological memory, and rapid automatized naming (RAN)], word reading, and arithmetic were assessed among eighty-eight Hong Kong Chinese first graders (Mean age = 79.88 months, SD = 4.71), along with vocabulary and nonverbal intelligence. These abilities were measured again at second grade (Mean age = 92.89 months, SD = 5.14). Simple correlations showed that phonological awareness and RAN at grade one were significantly associated with word reading and arithmetic both at grade one and at grade two, while phonological memory at grade one was associated with arithmetic, but not word reading, at both grades. Among the three phonological skills, RAN at grade one uniquely predicted 4% of the variance in children's reading performance and 15% of the variance in arithmetic at second grade, beyond autoregressive effects, vocabulary, and nonverbal intelligence (model 3a). In contrast, neither phonological awareness nor phonological memory significantly predicted children's later reading and arithmetic performance. There was also a reciprocal influence of Chinese word reading, rather than arithmetic skills, on later RAN performance.

Background: Studies have shown that word dictation and syntactic skills are significant predictors of written composition performance among Chinese children in elementary grades. However, there is a paucity of research on the bidirectional relationships between these two cognitive-linguistic skills (i.e., word dictation and syntactic skills) and Chinese writing skills. Methods: This paper reports the findings of a 1-year longitudinal study tracking the developmental patterns of Chinese writing among students in Grades 3 and 5 in Hong Kong. The participants were administered tasks involving cognitive-linguistic skills (working memory, word dictation and syntactic skills) and writing skills (narrative writing and expository writing). Results: Multiple regression analysis revealed that word dictation and syntactic skills in Grades 3 and 5 were significant longitudinal predictors of Chinese written composition performance in Grade 4 and Grade 6. Syntactic skills, but not word dictation, contributed a significant amount of unique variance to writing performance after controlling for the autoregressor effect of writing. The results also showed that written composition performance in Grades 3 and 5 contributed unique variance to individual differences in syntactic skills in Grades 4 and 6, after controlling for syntactic skills in the preceding year and other cognitive-linguistic variables. Conclusion: The patterns of results underscore the significance of syntactic skills in Chinese written composition in upper elementary grades and the bidirectional relationship between syntactic skills and written composition in Chinese.

This study examined the relationships between writing motivation and written composition performance in Chinese among 388 Chinese children in Grades 3 to 5 in accordance with the framework of self-determination theory. Multiple regression analysis results showed that writing motivation measures (external regulation, introjected regulation, identified regulation and intrinsic motivation) contributed a unique variance to written composition performance before and after controlling for the contribution of cognitive-linguistic skills important to written composition (i.e., word dictation, working memory and syntactic knowledge). Identified regulation was the only significant predictor of written composition performance. These results are discussed with reference to the impact of Chinese culture on motivation to write among Chinese children.

Vocabulary knowledge was tested in a native (Cantonese-Chinese) and foreign (English) language in 150 twins and 150 singletons aged 6-11 years, matched on age, gender, grade level, nonverbal intelligence, parents' education, family income, and number of siblings and household members. The singletons clearly outperformed the twins on the native vocabulary, but this "twinning effect" was much less noticeable for the foreign vocabulary. The effect on English vocabulary was further reduced after exposure to English at home was controlled. Given that these participants learned most of their English in school rather than home, the present findings support the notion that the twinning effect is associated with increased competition for family interaction in twins compared with singletons.

Prior research on reading difficulties has mainly focused on word decoding problems. However, there exists another group of children -- poor comprehenders (PCs) -- who have normal word decoding abilities but difficulties in reading comprehension. Less is known about PCs especially in non-alphabetic languages such as Chinese. This study identified three groups -- poor decoders, PCs, and average readers -- among 103 Chinese children at the end of first grade. Children's performances in reading and cognitive-linguistic measures, both concurrently at first grade and retrospectively at kindergarten levels two and three, were then compared among the three groups. This study is the first to demonstrate the distinct cognitive profiles of poor decoders and PCs in Chinese. The key cognitive-linguistic weaknesses of Chinese PCs were found to be in oral discourse skills and working memory. The retrospective data further revealed their oral discourse weakness as early as in preschool years at age 5. Practically, the necessity of developing assessment and intervention tools that focus on oral discourse skills for Chinese PCs is highlighted.

The present study examines the visual attention span deficit hypothesis in Chinese developmental dyslexia. Twenty-five Cantonese-speaking Chinese dyslexic children (DD group) were compared with 25 chronological-age-matched (CA) controls and another 25 reading-level-matched (RL) controls on their performance in visual attention span, reading, and reading-related cognitive tasks. Results of analysis of variance showed that the DD group performed significantly worse than the CA group in most measures and less well than the RL group in the visual attention span character task. 68 and 52% of the dyslexic participants showed deficits in at least one visual attention span measure when compared with the CA group and the RL group respectively. Results of multiple regression analysis also showed that the composite score of visual attention span significantly predicted Chinese word reading accuracy, word and text reading fluency even after controlling for age, IQ, orthographic skills, and rapid naming. The present findings suggest that visual attention span deficit may be associated with developmental dyslexia in Chinese. The role of visual attention span for word and text reading in Chinese is above and beyond several known reading-related skills.

In this study, we investigated the contribution of morphological awareness (MA) in one language to word reading and vocabulary in another language in Hong Kong Cantonese-English speaking children, who learn Chinese and English in school in parallel from the age of 3.5 years onwards. Our sample consisted of 97 Cantonese-English speaking children including 34 first graders, 28 second graders, 21 third graders and 14 fourth graders. All children were administered tasks of nonverbal reasoning, phonological awareness in Chinese, and lexical compounding, vocabulary, and word reading in both Chinese and English. Results revealed that second language (L2) English MA significantly contributed to first language (L1) Chinese word reading and Chinese vocabulary knowledge. However, L1 Chinese MA was not uniquely associated with either L2 English word reading or vocabulary knowledge. Findings suggest that among Chinese children learning in Chinese medium of instruction schools with English taught as a second language, compounding skills in English may be useful for facilitating Chinese word reading and vocabulary acquisition, but Chinese compounding skills are not uniquely important for learning in English.

Arithmetic word-problem solving is an important component of elementary mathematics curricula that links school mathematics to real-life problem solving. The present 3-year longitudinal study examined children's arithmetic word-problem solving through understanding its 2 component processes: number-sentence construction and computation. Chinese first graders (n = 153) were tested on their arithmetic word-problem solving, in which they wrote down the number sentences before they solved the problems. They were also given a parallel test of arithmetic computation. Various cognitive predictors and mathematical outcomes were assessed. It was found that the children's difficulty in solving arithmetic word problems lay more with writing number sentences rather than in computation. The results from path analysis showed that word reading and various numerical-magnitude processing and domain-general skills significantly predicted arithmetic computation whereas only domain-general skills significantly predicted number-sentence construction. Both number-sentence construction and computation significantly predicted future arithmetic computation and mathematics achievement even after controlling for previous arithmetic computation. Theoretical and practical implications are discussed.

This study examined the Chinese written composition development of elementary-grade students in relation to the simple view of writing. Measures of nonverbal reasoning ability, component skills of transcription (stroke sequence knowledge, word spelling, and handwriting fluency), oral language (definitional skill, oral narrative skills, and syntactic skills), working memory, and Chinese written composition were administered to 249 Chinese students in grades 1, 3, and 5 in Hong Kong. Hierarchical multiple regression results showed that transcription skills (word spelling and handwriting fluency), syntactic skills, and working memory were unique predictors of Chinese written composition after controlling for nonverbal reasoning ability. No interaction effect of grade and cognitive-linguistic skills contributed a significant amount of unique variance to Chinese written composition. The structural equation modeling results showed that the postulated simple view of writing in Chinese can be used to theorize the findings on the cognitive processes involved in Chinese writing.

Understanding the microstructure and macrostructure of passages is important for reading comprehension. What cognitive-linguistic skills may contribute to understanding these two levels of structures has rarely been investigated. The present study examined whether some word-level and text-level cognitive-linguistic skills may contribute differently to the understanding of microstructure and macrostructure respectively. Seventy-nine Chinese elementary school children were tested on some cognitive-linguistic skills and literacy skills. It was found that word reading fluency and syntactic skills predicted significantly the understanding of microstructure of passages after controlling for age and IQ; while morphological awareness, syntactic skills, and discourse skills contributed significantly to understanding of macrostructure. These findings suggest that syntactic skills facilitate children's access of meaning from grammatical structures, which is a fundamental process in gaining text meaning at any level of reading comprehension. Discourse skills also allow readers to understand the cohesive interlinks within and between sentences and is important for a macro level of passage understanding.

A 3-year longitudinal study among 239 Chinese students in Grades 2-4 was conducted to investigate the relationships between orthographic skills (including positional and functional knowledge of semantic radicals and phonetic radicals, and orthographic memory of radicals) and Chinese literacy skills (word reading, word spelling, reading comprehension and written composition). Phonetic radical knowledge was the only significant longitudinal predictor of word reading, whereas all orthographic skills examined were significant longitudinal predictors of word spelling. Reading comprehension was uniquely predicted by semantic radical knowledge. A model showing the relationships between orthographic skills and literacy skills was postulated.

The present study examined the types of orthographic knowledge that are important in learning to read and spell Chinese words in a 2-year longitudinal study following 289 Hong Kong Chinese children from Grade 1 to Grade 2. Multiple regression results showed that radical knowledge significantly predicted children's word reading and spelling performance across the years. Stroke knowledge contributed both concurrently (Grade 1) and longitudinally (Grade 2) to children's spelling performance after controlling for rapid naming, phonological awareness, morphological awareness and radical knowledge. These findings support the significance of radical knowledge in Chinese reading and spelling and the specific role of stroke order knowledge in Chinese spelling. The findings have implications for the design of an effective curriculum for teaching children to spell Chinese characters.

Can young students' early reading abilities in their first language (L1) predict later literacy development in a second language (L2)? The cross-language relationships between Chinese (L1) and English (L2) among 87 Hong Kong students were explored in a longitudinal study. Chinese word-reading fluency, Chinese rapid digit naming, and Chinese rhyme awareness at age 7 (grade 1), with age and IQ taken into account, were significant concurrent and longitudinal predictors of English word reading, and text-level reading and writing skills across ages 7-10. These three Chinese measures together accounted for 16-28% of unique variance in the English literacy tasks across the three-year period. Students who showed word-reading difficulties in Chinese in grade 1 also performed more poorly than average Chinese readers in English reading and related cognitive tasks later on, especially on phonological tasks. The results provided evidence for the cross-language transfer of cognitive-linguistic abilities between two distinctly different orthographies. L1 markers underlying reading difficulties in both L1 and L2 can serve as early indicators of possible reading problems that may arise later in L2. These findings have clinical, educational, and theoretical implications.

The current study aimed at addressing two issues concerning children's estimation performance: (1) to investigate whether the log-to-linear framework or the proportional judgment framework provided a better explanation of children's estimation patterns, and (2) to examine the consistency of response patterns in different estimation tasks. A sample of 179 Chinese first graders was assessed on their arithmetic performance and estimation skills (including numerosity naming, numerosity production, and number line). The log-to-linear framework was suggested to provide a better framework in explaining children's estimation patterns. Under this framework, we identified both common features and uniqueness of children's response patterns in different estimation tasks. Furthermore, different estimation skills uniquely contributed to children's arithmetic performance. The theoretical and practical implications of the findings are discussed.

The present study examined the roles of different dimensions of syntactic skills in predicting reading comprehension within and across two languages with contrasting structural properties: Chinese and English. A total of 413 young Cantonese-English bilingual students in Hong Kong (202 first graders and 211 third graders) were tested on word order skill, morphosyntactic skill, and reading comprehension in both L1 and L2. Hierarchical regressions showed that after partialing out the effects of age, nonverbal intelligence, working memory, oral vocabulary, and word reading, word order skill was more predictive of reading comprehension in both L1 and L2 in grade 1 than morphosyntactic skill. In grade 3, morphosyntactic skill emerged to be an equally and even a more important skill than word order skill in L1 and L2 reading, respectively. In both age cohorts, L1 syntactic skills cross-linguistically predicted L2 reading comprehension even when age, oral language, and general cognitive skills were statistically controlled. Statistical equation modeling mediation analyses revealed that this syntactic transfer from L1 to L2 was mediated by L2 syntactic skills but not L1 reading comprehension. When we further investigated the transfer of individual syntactic skills, word order skill appeared to be more transferable than morphosyntactic skill early in grade 1, in support of the transfer facilitation model. The findings suggest that young bilingual students may draw on the correspondence between L1 and L2 syntax to support their L2 learning, hence informing educators of issues and strategies that they should take note of in designing an effective L2 learning program.

Phonological processing skills predict early reading development, but what underlies developing phonological processing skills? Phonological representations of 140 native Cantonese-speaking Chinese children (age 4-10) were assessed with speech gating, mispronunciation detection, and nonword repetition tasks; their nonverbal IQ, reading, and phonological processing were assessed with standard tests. Results indicated that even without explicit script-sound correspondence at the phonemic level in Chinese orthography, young Chinese speakers developed representations segmented at this level, and such representations were more fine-grained for older children. Further, the quality of kindergarteners' phonological representations (specified by sensitivity to mispronunciation in lexical judgment) significantly predicted their emergent reading abilities, and this relation was fully mediated by phonological processing skills, with rapid naming showing the strongest mediation effect. Such mediation was no longer found with the primary-school sample, suggesting plausible developmental changes in the relations between phonological representations, phonological processing, and reading during early reading development.

This twin study examined the relative contributions of genes and environment on 2nd language reading acquisition of Chinese-speaking children learning English. We examined whether specific skills-visual word recognition, receptive vocabulary, phonological awareness, phonological memory, and speech discrimination-in the 1st and 2nd languages have distinct or overlapping genetic and environmental origins. A sample of 279 Chinese twin pairs with a mean age of 6 years was tested. Univariate twin analyses were used to identify sources of individual variations in reading abilities and related cognitive-linguistic skills in Chinese and English, respectively. They were used to show both similar and distinctive patterns in these skills across Chinese and English. Bivariate Cholesky decomposition analyses indicated genetic overlaps between all parallel Chinese and English variables, as well as shared environmental overlaps in receptive vocabulary and phonological awareness. The phenotypic correlations between 1st and 2nd language skills previously observed in cross-linguistic studies could be explained by the shared genetic and environmental influences found in this twin study.

The present 4-year longitudinal study examined preschool predictors of Grade 1 dyslexia status in a Chinese population in Hong Kong where children started learning to read at the age of three. Seventy-five and 39 Chinese children with high and low familial risk respectively were tested on Chinese word reading, oral language skills, morphological awareness, phonological skills, rapid naming, and print-related skills from age 4 to 6 and a standardized dyslexia test at age 7. Results showed that children of the high risk group performed significantly worse than the low risk group in Chinese literacy, phonological awareness, and orthographic skills at age 7. All the children with dyslexia had word reading difficulties in at least one preschool year. Results of the logistic regression showed that preschool verbal production, syllable deletion, and letter naming were the best predictors of dyslexia outcome at age 7. As in alphabetic languages, preschool oral language skills like verbal production, phonological skills, and print-related skills are the most significant predictors of children's later reading difficulties.

The longitudinal predictive power of four important reading-related skills (phonological skills, rapid naming, orthographic skills, and morphological awareness) to Chinese word reading and writing to dictation (i.e., spelling) was examined in a 3-year longitudinal study among 251 Chinese elementary students. Rapid naming, orthographic skills, and morphological awareness assessed in Grade 1 were significant longitudinal predictors of Chinese word reading in Grades 1 to 4. As for word spelling, rapid naming was the only significant predictor across grades. Morphological awareness was a robust predictor of word spelling in Grade 1 only. Phonological skills and orthographic skills significantly predicted word spelling in Grades 2 and 4. After controlling for autoregressive effects, morphological awareness and orthographic skills were the significant longitudinal predictors of Chinese word reading and word spelling, respectively. These findings reflected the impacts of the Chinese orthography on children's reading and spelling development.

The present study is a four-year longitudinal study examining the important predictors of writing of 340 Chinese children in elementary grades. Children's transcription skills (handwriting skills and spelling), and syntactic skills in grade 1 were significant predictors of text writing in grade 1-4 while ideation in grade 1 only contributed to text writing in grade 2. Stroke order knowledge was shown as an important handwriting skill in Chinese reflecting the characteristics of the Chinese orthography. A model of Chinese writing in early elementary grades was proposed. In the model, orthographic knowledge, morphological awareness and handwriting skills are proposed to contribute to spelling which is correlated with text writing. Handwriting skills, ideation, and syntactic skills were found to contribute to text writing. Path analysis results suggest that the longitudinal relationship between spelling and text writing is bidirectional.

The relationships of reading-related skills (rapid naming, morphological awareness, syntactic skills, discourse skills, and verbal working memory) and word reading to reading comprehension were examined among 248 Chinese fourth graders in Hong Kong. Multiple regression analysis results showed that syntactic skills (word order knowledge, morphosyntactic knowledge), discourse skills (sentence order knowledge) and verbal working memory contributed significant unique variance to reading comprehension after word reading was controlled for. Path analysis results showed that syntactic skills, discourse skills and verbal working memory had significant direct effects on reading comprehension, while rapid naming and morphological awareness had indirect effects on reading comprehension through word reading. These findings, in part, support the models of reading comprehension developed for alphabetic writing systems, but also reflect the unique Chinese language learning experience of Chinese children in Hong Kong. (Contains 5 tables and 2 figures.)

This study considered how far nonverbal cognitive, language and reading abilities are affected by common genetic influences in a sample of 312 typically developing Chinese twin pairs aged from 3 to 11 years. Children were individually given tasks of Chinese word reading, receptive vocabulary, phonological memory, tone awareness, syllable and rhyme awareness, rapid automatized naming, morphological awareness and orthographic skills, and Raven's Colored Progressive Matrices. Factor analyses on the verbal tasks adjusted for age indicated two factors: Language as the first factor and Reading as the second factor. Univariate genetic analyses indicated that genetic influences were substantial for nonverbal cognitive ability and moderate for language and reading. Multivariate genetic analyses showed that nonverbal cognitive ability, language and reading were influenced by shared genetic origins, although there were specific genetic influences on verbal skills that were distinct from those on nonverbal cognitive ability. This study extends the Generalist Genes Hypothesis to Chinese language and reading skills, suggesting that the general effects of genes could be universal across languages. (Contains 4 tables and 2 figures.)

This study aimed at identifying important skills for reading comprehension in Chinese dyslexic children and their typically developing counterparts matched on age (CA controls) or reading level (RL controls). The children were assessed on Chinese reading comprehension, cognitive, and reading-related skills. Results showed that the dyslexic children performed significantly less well than the CA controls but similarly to RL controls in most measures. Results of multiple regression analyses showed that word-level reading-related skills like oral vocabulary and word semantics were found to be strong predictors of reading comprehension among typically developing junior graders and dyslexic readers of senior grades, whereas morphosyntax, a text-level skill, was most predictive for typically developing senior graders. It was concluded that discourse and morphosyntax skills are particularly important for reading comprehension in the non-inflectional and topic-prominent Chinese system. (Contains 4 tables.)

The present study aimed at identifying core components of reading instruction in Chinese within the framework of the tiered intervention model. A curriculum with four teaching components of cognitive-linguistic skills was implemented in a Program school for 3 years since Grade 1. The findings showed that the Tier 1 intervention was effective in enhancing the literacy and cognitive-linguistic skills of children in the Program school. The positive effects were maintained at the end of Grade 2. Progress in both word-level and text-level cognitive-linguistic skills predicted significantly progress in reading comprehension. Based on the present findings, the four core reading components in Chinese were proposed--oral language, morphological awareness, orthographic skills, and syntactic skills. Comparing the Big Five in English and the four core components in Chinese reflects different cognitive demands for reading diverse orthographies.

The present study examined the role of syntactic skills for reading comprehension in Chinese. Two hundred and seventy-two Chinese children were tested on their phonological processing, orthographic, morphological, syntactic, and literacy skills at Grades 1 and 2. Hierarchical multiple regression results showed that syntactic skills, in terms of word order, connective usage, and knowledge of morphosyntactic structure (measured by an oral cloze task) in Grade 1, significantly predicted sentence reading comprehension in Grade 2 after controlling for the children's age, IQ, and word level reading-related cognitive skills in Grade 1, and word reading in Grade 2. As in alphabetic languages, syntactic skills are essential for reading comprehension in Chinese. The unique roles of individual syntactic skills for understanding sentences in Chinese are discussed.

This study examined the extent and nature of lexical tone deficit in Chinese developmental dyslexia. Twenty Cantonese-speaking Chinese dyslexic children (mean age 8 ; 11) were compared to twenty average readers of the same age (CA control group, mean age 8 ; 11), and another twenty younger average readers of the same word reading level (RL control group, mean age 7 ; 4) on different measures of lexical tone awareness, rhyme awareness and visual-verbal paired-associate learning. Results showed that the Chinese dyslexic children performed significantly worse than the CA but not the RL control groups in nearly all the lexical tone and rhyme awareness measures. Analyses of individual performance demonstrated that over one-third of the dyslexic children showed a deficit in some aspects of tone awareness. Tone discrimination and tone production were found to correlate significantly with Chinese word reading. These findings confirm that Chinese dyslexic children show weaknesses in tone awareness.