Occurrence and pattern of impaired reading and written language in children with attention deficit disorders

The purpose of this study was to investigate the occurrence and severity of reading, spelling, and written language impairment in children clinically referred for Attention Deficit Hyperactivity Disorder (ADHD). Specific questions involved 1) whether ADD subgroups with and without hyperactivity differ in reading, spelling, and written language achievement, 2) whether age and gender interact with ADD sub-group class to affect reading/written language achievement, and 3) whether prevalence of impaired reading/written language in these subgroups is consistent with previous reports in heterogeneous samples. Subjects were 115 ADD children aged 6-12 who were subclassified as ADD + H(72 percent) and ADD - H(28 percent) by objective teacher ratings. Dependent measures included tests of single word recognition and vocabulary, word attack, contextual comprehension, written spelling, written sentence construction, and writing fluency, in addition to a structured behavioral observation, during which aspects of inattention and motor activity were coded. A large fraction of this sample met public school LD criteria (54 percent), and achievement on most measures was globally poorer than the respective test normative groups. The ADD + H subgroup showed significantly poorer word attack skills, while the subgroups did not significantly differ from each other on other reading/written language measures. However, 17 percent of the total ADD sample were ≥ 1.5 SD below the mean in total reading achievement, and 29 percent were ≥ 1.5 SD below the mean on measures of written spelling/language. Gender X age interactions, indicating poorer performance in the middle age group of females, were likely related to lower IQ.     

Attention deficit disorder and specific reading disability: separate but often overlapping disorders

Within a large (N = 182) heterogeneous sample of clinic-referred children with DSM-III-diagnosed attention deficit disorder (ADD), three behavioral subgroups were identified via cluster analysis of teacher ratings: 40% of the children had ADD with hyperactivity (ADDH), 30% had ADD with hyperactivity and aggressivity (ADDHA), and 31% had ADD without hyperactivity or aggressivity. Proportionally more girls were in the ADD-only subgroup. Over half the sample (n = 94) were poor readers, with 82 meeting discrepancy criteria for specific reading disability (RD). Proportionately more boys than girls met the RD criteria (9.2:1.0), whereas the sex ratio of males to females for the whole sample was 5.1 to 1.0. Focusing just on white males, the three behavioral subgroups were significantly different on convergent validity measures, such as other teacher ratings, parent ratings, and interview-elicited ratings of externalizing behavior, but were not different on such divergent validity measures as IQ and achievement scores, self-ratings, and laboratory performance tasks. Boys in the ADD sample who did not meet criteria for RD had significantly higher IQs than those who did, but subgroups with and without RD still differed significantly on WRAT-R reading and spelling scores with IQ covaried out. Both groups with and without RD could be differentiated from a control group on laboratory measures of sustained attention and impulse control. Methylphenidate benefited all subgroups equally, whether RD or not, and whether given a low (0.3 mg/kg) or high (0.6 mg/kg) dose.     

Follow-up of children with early expressive phonology disorders

Fifty-two children identified at age 4 to 6 years as demonstrating a moderate to severe expressive phonology disorder were followed to the third and fourth grades. Children were classified into two groups based on the presence of an early phonology disorder in isolation (P) or the presence of a phonology disorder with other language problems (PL). At follow-up, articulation measures failed to differentiate the groups; however, the PL group performed more poorly than the P group on measures of phoneme awareness, language, reading decoding, reading comprehension, and spelling. The P group demonstrated poor spelling skills relative to their reading and language abilities, suggesting residual spelling weaknesses in these children. The PL group reported more nuclear family members with speech-language disorders and with reading disorders than the P group. Findings support previous research linking early language disorders with later reading difficulties.     

Correlates of spelling abilities in children with early speech sound disorders

The correlates of spelling impairment wereexamined in children with histories of earlyspeech sound disorders. The spelling errors of52 children with histories of speech sounddisorders were analyzed to predict theassociation between weaknesses in expressivelanguage skills in early childhood andschool-age spelling abilities. Resultsrevealed that children with preschool speechsound and language problems became poorerspellers at school age than did children withpreschool speech sound disorders only. However, even children with isolated speechsound disorders demonstrated a weakness inspelling skills relative to their reading andlanguage abilities and Weschler Performance IQ.Measures of phonological awareness were highlycorrelated with spelling skills, suggestingthat phonological processing abilities arerelated to the ability to spell phoneticallypredictable words. Analysis of spelling errorsbased on level of phonological awareness skillrevealed that children with preschool speechsound disorders utilize phonetic strategies inspelling phonetically predictable words. Familial aggregation of spelling disorderssuggests a possible genetic component that ismodified by gender.     

ADD students with and without dyslexia differ in sensitivity to rhyme and alliteration

Children with attention deficit disorder (ADD) and dyslexia (n = 82) made significantly more errors than normally reading children with ADD (n = 83) on a simple auditory test of phonological sensitivity to rhyme and alliteration (Bradley, 1984). A subgroup of children with dyslexia who were sensitive to rhyme and alliteration had higher scores on the Wechsler Intelligence Scale for Children-Revised (WISC-R) Spatial factor than a dyslexic subgroup who were phonologically insensitive. In multiple regression analyses, age-corrected phonological sensitivity scores contributed significantly to the prediction of both reading and spelling Wide Range Achievement Test (WRAT) scores, this beyond the contribution of WISC-R variables. Of interest for dyslexia subtyping theories, Spatial factor scores had a subtractive effect in these regression analyses.     

Speech reading and learning to read: a comparison of 8-year-old profoundly deaf children with good and poor reading ability

Nine children with severe-profound prelingual hearing loss and single-word reading scores not more than 10 months behind chronological age (Good Readers) were matched with 9 children whose reading lag was at least 15 months (Poor Readers). Good Readers had significantly higher spelling and reading comprehension scores. They produced significantly more phonetic errors (indicating the use of phonological coding) and more often correctly represented the number of syllables in spelling than Poor Readers. They also scored more highly on orthographic awareness and were better at speech reading. Speech intelligibility was the same in the two groups. Cluster analysis revealed that only three Good Readers showed strong evidence of phonetic coding in spelling although seven had good representation of syllables; only four had high orthographic awareness scores. However, all 9 children were good speech readers, suggesting that a phonological code derived through speech reading may underpin reading success for deaf children.     

Kindergarten prevention of dyslexia: does training in phonological awareness work for everybody?

This study examined the effects of training in phonological awareness on kindergarten children. Comparisons of children at risk (i.e., children with initially low levels of metalinguistic ability) with initially average and advanced children revealed that training gains were similar for all of these groups. Furthermore, training had comparable long-term effects on reading and spelling in Grades 1 and 2 for each group. In fact, the trained children at risk showed better reading and spelling performance than a randomly selected control group. Although considerable individual differences in training effectiveness were found Within the group of at-risk children, there was clear evidence that the training program substantially reduced the risk of becoming dyslexic in school.     

A review of a reading class placement for children with dyslexia,focusing on literacy attainment and pupil perspectives

This research investigated a special reading class placement for children with dyslexia in the Republic of Ireland. The study compared the literacy attainments of children before and after their reading class placement, and determined in particular children’s views regarding the placement. Participants included 16 children with dyslexia who had completed at least two years or maximum three years in a reading class for children with dyslexia, as well as 14 reading class and mainstream teachers. A case study was utilised to examine the three reading classes using a variety of data collection procedures including standardised assessment results, focus group and group interviews over a sustained period of time. Results indicated that children and teachers were very positive about the placement for children with dyslexia, with both children and teachers reporting academic, social, emotional, behavioural and attitudinal gains for the children in these classes. Findings from quantitative data demonstrated that children made progress in the areas of reading accuracy, comprehension and spelling, during their placement. Interestingly, findings from this study confirm that children who spent three years in the reading class made greater progress in the areas of reading accuracy and reading comprehension than children who spent two years in the reading class. However, there was no significant difference in the spelling achievement gains for children who attended the reading class placement for either two or three years. The qualitative findings revealed children’s increased positive disposition towards their own learning experiences during the special reading class placement and this was reported by both children and teachers alike. However, issues regarding lack of collaborative opportunities between mainstream and reading class teachers, and differentiation of curriculum content in the mainstream classroom remained throughout the placement period.     

Familial patterns of learning disabilities

Extended families of 12 young adults (9 LD, 3 non-LD) were given a battery of tests and questionnaires, and 131 persons, ranging in age from 6 to 85, were classified as LD or non-LD on the basis of subtest scores 1 SD below the mean or less on subtests of the PIAT and WRAT achievement tests. Pedigree analysis indicated that LD was strongly familial, with the most probable mode involving a major gene effect, but the type of disability (reading/ math) was not directly inherited. Autoimmune disorders were significantly correlated (P<.005) with LD, especially in families in which LD remained a major handicap into adulthood, a trait that also varied between families. In two of the LD families, adults showed little evidence of the reading/spelling deficits they had shown when tested as children, while adults in other families failed to make gains in reading and spelling.     

Developmental surface and phonological dysgraphia in German 3rd graders

The investigation of developmental reading and spelling disorders within the framework provided by cognitive neuropsychology has yielded interesting results for several alphabetic orthographies, for example English, Italian, and French. However, this approach has not attracted much attention in German speaking countries up to now. The following study, carried out with 35 German dysgraphic 3rd graders provides evidence that there is no less reason to apply this line of research to German children than to children acquiring other alphabetic orthographies. By evaluating the individual scores of the dysgraphic children on spelling nonwords and orthographically irregular or inconsistent words against the corresponding mean scores established for two non-dysgraphic control samples (grade-matched and 2nd grade), nine children could be assigned to the surface dysgraphic and 12 to the phonological dysgraphic subtype. In order to restrict the range of cognitive deficits which might have caused the spelling patterns of the two dysgraphic subgroups at more distal links of the causal chain, individual performance profiles were determined for several spelling-related phonological and visual-graphemic tasks. On average, the phonological dysgraphic children showed poorer performance in different phonological tasks than the children assigned to the surface subtype. In addition, both subgroups showed subnormal skills in visual-graphemic tasks. Dissociations between the different spelling related tasks were observed not only between but also within the subgroups. This may reflect individually varying cognitive processing deficits underlying developmental dysgraphia in German.     

What We Know,What We Still Need to Know: Teaching Adolescents to Write

The purpose of this study was to uncover any differences in the early reading and spelling processes of children learning to read in a first language (L1) and children learning to read in a second language (L2). The reading and spelling development of native Dutch-speaking children and minority children in the first two grades of elementary school were compared. The children were given a number of tasks to test their vocabulary knowledge and the efficiency of their word decoding (including grapheme knowledge and word blending), word spelling (including cipher knowledge and phonemic segmentation), and reading comprehension processes. Analyses of variance were used to test for differences between the L1 and L2 learners. LISREL analyses were used to explore the components underlying the reading and spelling processes in the 2 groups of children. The results showed that the minority children kept up with the native Dutch-speaking children on word blending and word decoding tasks. On word spelling and reading comprehension, however, the minority children were found to be less efficient than their monolingual Dutch peers. The structural models for word decoding and word spelling were highly comparable for the 2 groups. For reading comprehension, vocabulary knowledge was found to have more of an impact on the L2 learners than on the L1 learners. This finding suggests that children learning to read in an L2 should be helped to build their lexical knowledge and that reading instruction should be matched to this knowledge.     

Phonological awareness,verbal working memory and the acquisition of literacy

This paper describes a 2-year longitudinal study of 76 initially prereading children. The study examined the relationships between phonological awareness (measured by tests of onset and rime, phonemic segmentation and phoneme deletion), verbal working memory and the development of reading and spelling. Factor analyses showed that the verbal working memory tests which were administered loaded on two distinct but highly related factors, the first of which,simple repetition, involved the repetition of verbal items exactly as spoken by the experimenter, whereas the second,backwards repetition, involved repetition of items in reverse order. Factor analyses also showed that, whist the phonological awareness variables consistently loaded on the backwards repetition factor at the beginning and end of Grade 1, by Grade 2 the phonological awareness variables loaded on a separate factor which also included sentence repetition. Results of multiple regression analyses, with reading and spelling as a compound criterion variable, indicated that phonological awareness consistently predicted later reading and spelling even when both simple and backwards repetition were controlled. In contrast, verbal working memory did not consistently predict reading and spelling across testing times. Whilst there was some indication that verbal working memory, especially backwards repetition, measured during Grade 1 did predict reading and spelling in Grade 2, these effects were no longer evident when all three phonological variables were controlled. Nevertheless, with 4 individual reading and 2 individual spelling measures as the criterion variables, it was shown that phonological awareness was not quite such a consistent predictor of reading and spelling: it was most highly related to reading pseudowords and spelling real words; but it was not so highly related to spelling pseudowords, apparently because the processing demands of the task for the young children in the study were extremely high. Given the importance of verbal working memory for the completion of phonological awareness, reading and spelling tasks, in particular for spelling pseudowords, the findings are interpreted as providing some support for a theoretical position which posits that both phonological awareness and verbal working memory contribute to the early stages of literacy acquisition. Whilst the findings suggest some support for a general underlying phonological ability, there is also evidence that, as children learn to read and write, verbal working memory and phonological awareness become more differentiated.     

Establishing word representations through reading and spelling: comparing degree of orthographic learning

Skilled reading involves rapid and automatic word recognition. Through a self‐teaching process, phonological decoding during reading is thought to establish the word‐specific representations in memory that support efficient word reading. Much is known about orthographic learning during reading; less is understood about this process during spelling. Here, we compared the degree of orthographic learning that occurs during reading and spelling. Forty‐eight children in Grade 2 practised reading or spelling nonwords within stories. Orthographic learning was measured using spelling recognition, spelling production and word naming tasks. Both readers and spellers showed evidence of orthographic learning; however, spellers outperformed readers on all tasks. Overall, results suggest that spelling sets up a higher quality representation in memory and highlight the importance of spelling in the development of word reading efficiency.     

Development of orthographic knowledge in German‐speaking children: a 2‐year longitudinal study

There is growing evidence that children develop orthographic knowledge from the very beginning of literacy acquisition. This study investigated the development of German‐speaking children's orthographic knowledge with a nonword choice task. One nonword in each pair contained a frequent consonant doublet (zommul) and the other nonword contained an infrequent doublet (zobbul). Children (N = 54) performed at chance level in kindergarten but chose nonwords with frequent doublets significantly more often than expected by chance in first and second grade. Correlations between children's orthographic knowledge and their reading and spelling skills were not found. The results indicate that knowledge of frequent double consonants is evident in German‐speaking children from first grade onwards, but it is not related to their reading and spelling performance. This finding is consistent with the view that children in transparent orthographies rely less on frequent letter patterns during reading and spelling compared to children in deep orthographies.     

Computer-based reading and spelling practice for children with learning disabilities.

To examine the effects of computer-based reading and spelling practice on the development of reading and spelling skills, a pretest-training-posttest experiment was conducted in The Netherlands. Eleven girls and 17 boys with written language disorders (on the average, 9 years, 7 months old and performing 2 grades below age expectancy) practiced hard-to-read words under three conditions: reading from the computer screen, copying from the screen, and writing from memory after presentation on the screen. For all words, whole-word sound was available on call during practice. To assess learning effects, both a dictation and a read-aloud task were administered in which nonpracticed control words were also presented. During training, the computer kept record of several aspects of the pupils' learning behavior. It was found that copying words from the screen resulted in significantly fewer spelling errors on the posttest than writing words from memory, and that both forms of spelling practice led to fewer spelling errors than only reading words during practice. All three forms of practice improved to the same degree both the accuracy and fluency of reading the practiced words aloud. The way in which spelling and reading practice, in combination with speech feedback, support the development of phonological skills in children with written language disorders is highlighted in the discussion.     

Tourette syndrome and learning disabilities.

We reviewed the records of 42 consecutive cases of children with Tourette Syndrome (TS) who had IQs above 70, and contrasted the reading, reading comprehension, math, and spelling quotients with IQ scores to determine how many would meet criteria for a learning disability. The mean IQ of the 35 males and 7 females was 94.4 and was higher than the mean math score (82.8), spelling score (90.4), reading score (87.4), and reading comprehension score (85.3). Using a 1.5 standard deviation discrepancy, 51% met criteria for learning disability in at least one academic area; 21% had a 2-standard-deviation discrepancy. Children with TS frequently have learning disabilities, and assessment of academic achievement should be a routine aspect in the evaluation of such children.     

图形和语音编码难度对听写困难儿童形音联结记忆的影响

听写困难是指儿童阅读正常而听写落后的现象,是一种常见的儿童学习障碍类型.本研究考察了听写困难儿童在不同条件下的形音联结记忆水平,结果发现:在图形和语音编码难度双低的条件下,听写困难儿童的形音联结记忆成绩与普通儿童没有差异;在图形编码难度高-语音编码难度低的条件下,听写困难儿童的形音联结记忆成绩落后于普通儿童;在图形编码难度低-语音编码难度高的条件下,听写困难儿童的形音联结记忆成绩与普通儿童没有差异.     

Phonemic awareness,spontaneous writing,and reading and spelling development from a preventive perspective

This study examined the nature of the relationship between phonemic awareness and reading and spelling development and focused particularlyon the development of early self-directed writing. The spontaneous writing attempts of 44 first-graders were followed on 6 test occasions from the start of grade 1 (7 years) until the middle of grade 2. The children were divided into 2 groups, one group (N = 21) with a high level of phonemic awareness on entry into grade 1 (HPA) and one group (N = 23) with a low level on entry (LPA). The connection between level of inventedspelling used in the self-directed writing and later reading andspelling achievement in grades 1 and 2 was investigated. The results showed remarkable differences between the two groups. Level of invented spelling at Time 1 was highly predictive of both reading and spelling achievement at the end of grades 1 and 2, but only for the HPA group. With Time of Mastery regarding phonemic spelling as the independent variable and reading and spelling at the end of grade 2 as the dependent variable, regressions analysis indicated strong direct effects of early phonemic spelling upon later reading and spelling development, but only for the LPA children. The two groups showed different patterns of development in learning to read and spell during grades 1 and 2.     

Does sensitivity to orthographic regularities influence reading and spelling acquisition? A 1-year prospective study

Recent studies focused on the influence of orthographic processing on reading and spelling performance. It was found that orthographic processing is an independent predictor of reading and spelling performance in different languages and children of different ages. This study investigated sensitivity to orthographic regularities in German-speaking children (N = 31) prior and during formal reading and spelling instruction. In addition, the relationship between sensitivity to orthographic regularities and reading and spelling performance was explored. Two aspects of children’s sensitivity to orthographic regularities (sensitivity to frequent double consonants and sensitivity to legal positions of double consonants) were measured with a nonword forced choice task. The results show that sensitivity to orthographic regularities improved significantly from kindergarten to first grade. Moreover, children’s sensitivity to orthographic regularities at the end of first grade accounted for a significant amount of unique variance in their reading and spelling performance. These results suggest that orthographic sensitivity on a sublexical level is important for the development of reading and spelling skills.