An Analysis of the Word Naming Errors of Normal Readers and Reading Disabled Children in Spanish

In the current research the performance of children with and without reading disabilities was compared on a single word naming task. An analysis was carried out of the frequency and form of naming errors produced by the groups when naming real words and nonwords in a transparent orthography such as Spanish. A sample of 132 (45 normal readers, 87 reading disabled) Spanish children aged 9–10 years were selected, and an experiment was carried out to investigate if students with reading disabilities would have particular difficulties in naming words under conditions that require extensive phonological computation. While the children were performing the naming task, we recorded what they read to subsequently analyse the form, as well as the frequency, of naming errors as a function of lexicality, word frequency, word length and positional frequency of syllables. Disabled readers made more errors in nonwords, low frequency words and long nonwords. The findings support the hypothesis that poor phonological skills are a characteristic of reading disabled children.     

A developmental investigation of word length effects in reading using a new on-line word identification paradigm

Third and fifth grade children (average age 8.6and 10.6 years) and adult participants weretested with printed words of varying length ina new on-line identification task (theluminance increment paradigm, LIP) and aspeeded naming task. Effects of general length(length in letters, phonemes and syllables)were shown to decrease systematically with agein both tasks. Third grade children showedsubstantial effects of word length while theeffect practically disappeared in adults. Ingeneral, this developmental pattern was alsofound when separately examining effects ofphonological length (with length in lettersheld constant) and small unit length (withnumber of syllables held constant), althoughsome differences were observed in performancein the identification and the naming task. Thetwo tasks also showed different developmentalpatterns, with the greatest gain in performancearising between 3rd and 5th grade inthe naming task, and the largest improvementoccurring between 5th grade and adults inthe identification task. The results suggestthat the new luminance increment paradigm canbe usefully applied as an on-line measure ofprinted word perception in beginning readers.     

Development of and Relationship Between Phonological and Motivational Processes and Naming Speed in Predicting Word Recognition in Grade 1

In this 2-year longitudinal study the developmental relationships among letter knowledge, phonological awareness, rapid naming, and task orientation were examined, and linguistic-motivational pathways of word reading acquisition were traced from kindergarten to Grade 1 by means of structural equation modeling. The participants were 100 Finnish-speaking nonreaders. Results showed that kindergarten (5–6 years) letter knowledge predicted subsequent preschool (6–7 years) phonological awareness and task orientation. RAN was a unique longitudinal and concurrent predictor of word recognition, suggesting that rapid naming provides a reliable prediction of prospective word reading ability at least in a transparent language. Controlling for phonological awareness and rapid naming, task orientation contributed uniquely to the prediction of word reading competence, suggesting that motivational and linguistic factors are both at work as children face the gradually growing demands of learning to read and write in Grade 1.     

The effect of orthographic depth on letter string processing: the case of visual attention span and rapid automatized naming

The present study investigated whether orthographic depth can increase the bias towards multi-letter processing in two reading-related skills: visual attention span (VAS) and rapid automatized naming (RAN). VAS (i.e., the number of visual elements that can be processed at once in a multi-element array) was tested with a visual 1-back task and RAN was measured in a serial letter naming task that introduced a novel manipulation (some letter sequences formed frequent words). Spanish-Basque and French-Basque bilingual children were tested at early (30 children in 1st and 2nd grade), and more advanced (24 children in 3rd, 4th and 5th grade) stages of reading acquisition to investigate whether they would be differently biased towards multi-letter processing due to reading in two shallow (Spanish, Basque), or a deep and a shallow (French, Basque) orthography. The French-Basque bilinguals, who read in a deep orthography, were expected to rely on larger orthographic units in reading and thus to be more biased towards multi-letter processing in both tasks. This was expected to be reflected by: (a) a uniform distribution of attention across letter strings in the VAS task, and (b) a greater interference of the embedded words on letter-by-letter naming in RAN, leading to longer naming times. The expected group differences were observed in the more advanced readers, with French-Basque bilinguals showing a wider distribution of VAS across letter strings and longer naming times in RAN.     

Life-Span Data on Continuous-Naming Speeds of Numbers,Letters, Colors,and Pictured Objects,and Word-Reading Speed

In this study, life-span developmental relations between naming and reading speed were addressed. More specifically, the aims of this research were (a) to determine how continuous-naming speeds for 4 stimulus types (letters, numbers, pictures, and colors) and reading speed for a word list increase across life span, (b) to investigate possible changes in the interrelations of naming speeds of these 4 stimulus types across the various age levels, and (c) to determine the development of naming and word-reading speed associations at the various age levels. Eight experimental samples of participants were pooled into 5 homogeneous age levels (sample size ranging from 82 to 174). Samples consisted of children from elementary Grades 2 (8-year-olds), 4 (10-year-olds), and 6 and 7 (12-year-olds); students from secondary education classes (16-year-olds); and 41 parent pairs (46-year-olds) to the 16-year-olds. Each continuous-naming task contained 50 items, and the average number of times unique stimuli were repeated in the tasks was 5.31. The reading task was to read in 1 min, as fast and accurately as possible, the unique and unrepeated words of a standardized word-reading test. Results indicate that word-reading speed and naming speeds of colors and pictures continue to increase into mature adulthood. For letter and number naming, asymptotes have been reached at around 16 years of age. Factor analyses indicate that interrelations of the naming-speed tasks are different for 10-year-old children (and younger) compared to 12-year-olds (and beyond). Whereas the latter groups show 2 factors (an Alphanumeric factor and a Color or Picture factor), these factors are not clearly identifiable at the younger age levels. Finally, regression analyses and correlations between naming factor scores and reading speed indicate a developmentally increasing relation between reading and alphanumeric-naming speeds, whereas unique contributions of color- and picture-naming speeds to reading speed are developmentally erratic. This is interpreted as supporting the theory that describes reading recognition development as a domain-specific learning process with reciprocally facilitating links to alphanumeric symbol-naming speed development.     

Word processing in dyslexics

Dyslexic children (n=21, mean age=10.2 years) were compared with normal readers of the same age, normal readers of the same reading-age, and poor readers of the same reading-age on measures of phonological decoding and automatic word processing. Three different tasks, varying in phonological demand, were used: a naming task, an auditory-visual matching task, and a lexical decision task. On each task, word-pseudoword profiles were obtained to test phonological decoding skills and unspeeded-speeded profiles were assessed to test automaticity in word processing. Main results indicated that dyslexics have a deficit in automatic phonological decoding skills. The results are discussed within the framework of the phonological deficit and the automatization deficit hypothesis.     

Age of acquisition and the completeness of phonological representations

The age of acquisition effect(faster recognition and production of earlierlearnt than later learnt words) is a robustfinding in both picture naming and written wordrecognition and naming. One possibleexplanation of this effect is the PhonologicalCompleteness Hypothesis of Brown and Watson[(1987) Memory & Cognition 15: 208–216], which proposes that early acquired wordsare recognised and produced faster than lateacquired words because they have lessfragmented phonological representations. Thoughoften cited, this hypothesis has never beentested experimentally. The present study setout to test this hypothesis using aphonological segmentation task. If earlyacquired words are stored in a more completeform, then adult participants should be slowerto segment early words than late acquiredwords. In addition, if the AoA effect is aconsequence of the quality of an individual'sphonological representations then there shouldbe a clear relationship between phonologicalskill (as measured by the phonologicalsegmentation task) and the magnitude of the AoAeffect size. In order to assess therelationships between phonological skill andthe AoA effect in adults, participants werealso given a word and nonword naming task. Theword naming task manipulated AoA andspelling-sound consistency. The results of thesegmentation task failed to provide any supportfor Brown and Watson's (1987) phonologicalcompleteness hypothesis. Phonological skill wasfound to predict the size of the AoA effect inthe word naming task, but not the size of theAoA effect in the segmentation task.     

Cognitive profiling in Chinese developmental dyslexia with attention-deficit/hyperactivity disorders

The cognitive profiles of children with Developmental Reading Disorder (RD) and Attention-Deficit/Hyperactivity Disorders (ADHD) have been extensively studied in alphabetic language communities. Deficits in phonological processing and rapid naming have been implicated as core features of RD although whether the latter is a deficit specific to RD remains controversial. Similar research aiming to explore the cognitive profiles of children with both RD and ADHD in non-alphabetic language communities is limited. The specificity of rapid naming deficit to RD among Chinese has yet to be studied. In the first study, 43 Chinese children with confirmed diagnoses of RD + ADHD were assessed on their cognitive abilities in relating to reading. In the second study, the specificity deficit hypothesis of rapid naming to RD but not ADHD was examined. A digit naming test was administered to the RD + ADHD group (43 subjects) and an ADHD only group (49 subjects). In regard to cognitive profiling, rapid naming and orthographic knowledge were found to be the most common deficits among the Chinese RD + ADHD group. This co-morbid group was also found to have a significant deficit performance on the rapid naming task than the ADHD only group. The present findings support the double dissociation hypothesis in cognitive deficit between RD and ADHD. The results of both studies are discussed with reference to the findings of the Western counterparts.     

Serial naming speed and the component elements of speech time and pause time: relationships with the development of word‐level reading in children aged four to five years

Serial naming speed and its association with reading ability was examined in a longitudinal investigation. Participants were 68 children aged between 4.0 and 4.5 years when the study began and between 5.0 and 5.5 years when the study ended. Serial naming speed was measured at three equidistant time points over the 12‐month period as children progressed from a pre‐literate to early‐literate stage. Children's responses were digitally recorded to computer to enable analysis of the sound files. During analysis, the articulation time for each word and the length of each pause between the spoken words were measured independently. At the end of the study, children's word‐level reading ability was measured. Results suggest that children aged 4.0 to 5.5 years show wide variability in serial naming speed that is predominately attributable to the length of the pauses between the articulated words. There appears to be a developmental association between the duration of the pauses and word‐level reading ability.     

Predicting reading progress in children receiving special help

The main aim of the study was to determine whether performance on reading-related cognitive processing tasks would help predict reading progress in children receiving special help. The 86 subjects were initially aged six to eight years and most were followed up after two years. When variance due to IQ and age was accounted for, an orthographic processing task, phonological awareness (phoneme deletion), and digit- naming speed were significant predictors of later reading skills. A strength in phonological awareness differentiated initial poor readers who later made excellent gains in reading from poor readers who did not improve. Children whose reading deteriorated had serious weaknesses on tasks of naming speed and confrontation naming. Their poor lexical retrieval skills had a more deleterious effect on later reading than on initial. Indications were that for children diagnosed as poor readers at age six or seven years, prognosis is better for boys, and for garden- variety poor readers, than for dyslexics. Caution was urged in applying the term dyslexic to children in the first two school grades because many of them will be slow starters who do not have a persistent reading problem.     

Differential relationships between RAN performance,behaviour ratings,and executive function measures: Searching for a double dissociation

Abstract. In this study, we investigated the relationships between rapid naming of letters, digits and colours, and reading ability and executive function. We gave fifty-six grade three and four children rapid automatised naming tasks using letters and digits as stimuli, executive function measures including the Stroop task, a working memory task and the Trailmaking B task. The latter three tasks were used as measures of executive function. We also administered tests of verbal ability, reading and a behaviour checklist. The rapid naming of letters and digits was significantly correlated with reading, but not with executive function or behaviour ratings. The rapid naming of colours (from the Stroop task) was significantly correlated with the executive function tasks and the behaviour ratings but not with reading. We discuss the implications of this double dissociation for further studies of RAN.     

The contribution of executive functions to naming digits,objects, and words

Although it is established that reading fluency is more strongly related to serial naming of symbols than to naming of isolated items (serial superiority effect), the reason for the difference remains unclear. The purpose of this study was to examine the role of executive functions in explaining the serial superiority effect. One hundred seven Grade 6 Greek children were assessed on serial and discrete naming (digits, objects, and words), executive (inhibition, shifting, and updating) and non-executive tasks (simple choice reaction), and on a serial Rapid Alternating Stimuli task. Reading fluency correlated more strongly with serial naming than with discrete naming, consistent with the serial superiority effect. In hierarchical regression analyses, executive measures failed to account for variance shared between serial naming and reading fluency. In confirmatory factor analyses, including a discrete and a serial factor for the naming tasks, variance in the executive tasks not shared with simple choice reaction was not associated with the serial factor. Thus, the executive tasks failed to account for the serial superiority effect. The high correlation between the simple choice factor and the discrete naming factor suggests that method variance partially underlies the observed relationship between executive function tasks and word reading. We argue that the distinction between serial and discrete dimensions indicates that internally regulated cognitive control is crucial for the serial superiority in naming symbols and words.     

Categorization and Naming: Basic-Level Sorting in Eighteen-Month-Olds and Its Relation to Language

2 studies investigate whether 18-month-old children spontaneously sort objects into basic-level categories, and how this ability is related to naming. In Study 1, 18-month-old children were given spontaneous sorting tasks, involving both identical objects and objects with basic-level intracategory variation. Children were scored as having passed the tasks if they produced "exhaustive grouping," that is, physically grouped all the objects of one kind into one location and the objects of the other kind into a different location. The children also received means-ends and object-permanence tasks. Children's parents received a checklist of early names. Children who produced exhaustive grouping used significantly more names than those who did not, in both identical and basic-level cases. There was no such relation between object-permanence and naming or between means-ends performance and naming. In Study 2, children received arrays of the same objects, with either identical objects or objects with basic-level variation in each group. No significant differences were found between the identical and basic-level tasks. However, as in the previous task, performance on both types of categorization was related to naming. Children who produced exhaustive grouping were reported to produce more names than those who did not. There appears to be a close relation between object categorization and naming in young children. The theoretical implications of this empirical association are discussed.     

Cognitive-linguistic skills and motivation as longitudinal predictors of reading and arithmetic achievement: A follow-up study from kindergarten to grade 2

This 3-year longitudinal study examined how motivational tendencies, that is, task orientation and social dependence orientation, as well as cognitive-linguistic prerequisites of reading and math skills (i.e., phonological awareness, rapid naming, oral language comprehension skills, number sequence and basic arithmetic skills) measured in kindergarten (5–6 years), in preschool (6–7 years), and in grade 1, predict decoding, reading comprehension and arithmetic achievement in grade 2. Moreover, the motivational-developmental profiles of children with prospective learning difficulties were compared to the profiles of averagely achieving children. The participants were 139 Finnish-speaking children. Results from regression analyses showed that rapid naming was a unique longitudinal predictor of later decoding skills. Oral comprehension skills accounted for a unique variance in reading comprehension at every time point examined. Motivational orientations started to make unique contributions to subsequent decoding accuracy, reading comprehension and arithmetic from preschool onwards, over and above the effects of prior linguistic and math skills. High task orientation was beneficial for beginning reading, whereas high social dependence orientation was detrimental for reading comprehension and arithmetic. Students who fell behind of others both in reading comprehension and arithmetic experienced the most unfavourable development of motivation already during the first term in grade 1. Implications for instructional practices are discussed.     

Serial rapid naming skills in children with reading disabilities

This study compared the performance of children with reading disability (RD) and normal reading achievement (NRA) on tasks of serial rapid naming, verbal fluency, letter-based word retrieval, and articulatory speed. The groups, composed of children at two discrete age levels, one younger and one older, were matched for age, gender, and neighborhood school. Analyses of the on-line measurement of the children’s serial rapid naming indicated that the children with RD had significantly larger reaction times and production durations than their NRA peers despite similar levels of accuracy. They also performed significantly worse on the categorical verbal fluency task, the letter-based word retrieval task, and the test of articulatory speed. The findings suggest that both access and post-access processes, such as oral-motor inefficiency that extends the duration of word production, may be implicated in the slower serial rapid naming that has typified many samples of children with RD. This work was supported in part by Basil O’Connor Research Grant 5-340 from the March of Dimes Birth Defects Foundation, a Scholarly and Creative Activity Award and sabbatical leave from California State University, Long Beach and grant #DCO 1904-01 from the National Institute on Deafness and Other Communication Disorders of the NIH to the first author.     

Training letter and orthographic pattern recognition in children with slow naming speed

Although research has established that performance on a rapid automatized naming (RAN) task is related to reading, the nature of this relationship is unclear. Bowers (2001) proposed that processes underlying performance on the RAN task and orthographic knowledge make independent and additive contributions to reading performance. We examined the benefits of training orthographic pattern recognition and speeded letter recognition for children in Grades 1 and 2 with slow naming speed. Children first received training in either orthographic pattern recognition or speeded letter recognition, and then switched to the other type of training. Results indicated that speeded letter recognition can improve through training, but only when preceded by training in orthographic pattern recognition. Orthographic pattern recognition training improved the accuracy and speed of reading training words, whether training occurred alone or following letter training. Letter training prior to the orthographic training provided no additional benefit. Together, these results argue for the importance of orthographic training for children with slow naming speed.     

Naming difficulties in children with dyslexia: application of the tip-of-the-tongue paradigm

The present study used the tip-of-the-tongue (TOT) experimental paradigm in a picture naming task to explore the source of the naming deficits of children with dyslexia. Compared with a control group of typically developing readers, the children with dyslexia showed fewer correct responses and spontaneous recalls, more don't know (DK) and TOT responses, and less accurate feeling of knowing (FOK) judgments. When they failed to retrieve a target word, the children with dyslexia did not differ from the control group in the partial semantic information they provided, but they gave less valid and more invalid partial phonological information. The children with dyslexia also benefited less from phonological cues. The phonologically related responses of the children with dyslexia elicited during the administration of the TOT procedure were related to their performance on a phonological awareness test. These findings suggest that the naming problems of children with dyslexia arise because of their difficulty in accessing the phonological word forms after the corresponding abstract lexical representation has been successfully accessed. The results are discussed in relation to the claim that two-stage models of naming can be profitably used in the early identification and treatment of reading disabilities.     

The relation between preschool children’s false-belief understanding and domain-general experimentation skills

The focus of the present study is on the developmental antecedents of domain-general experimentation skills. We hypothesized that false-belief understanding would predict the ability to distinguish a conclusive from an inconclusive experiment. We conducted a longitudinal study with two assessment points (t1 and t2) to investigate this hypothesis. As language, executive functioning, working memory, and intelligence have been discussed as potential influencing factors in theory of mind and scientific reasoning development, we included measures of these abilities as control variables. We recruited 161 preschool children (73 girls and 88 boys); we administered a false-belief task, an experimentation task, and the control variables at t1 when the children were 4 years old. We repeated the false-belief and experimentation tasks at t2 when the children were 5 years old. Our results show that children who solved the false-belief task correctly at age 4 were more likely to solve the experimentation task correctly at age 5, but not vice versa, even after controlling for the influence of language, executive functioning, working memory, and intelligence. The implications of these results on theories about the development of scientific reasoning and for science education concepts for young children are briefly discussed.     

Evaluating phonological processing skills in children with prelingual deafness who use cochlear implants

This study investigated the phonological processing skills of 29 children with prelingual, profound hearing loss with 4 years of cochlear implant experience. Results were group matched with regard to word-reading ability and mother's educational level with the performance of 29 hearing children. Results revealed that it is possible to obtain a valid measure of phonological processing (PP) skills in children using CIs. They could complete rhyming tasks and were able to complete sound-based tasks using standard test materials provided by a commercial test distributor. The CI children completed tasks measuring PP, but there were performance differences between the CI users and the hearing children. The process of learning phonological awareness (PA) for the children with CIs was characterized by a longer, more protracted learning phase than their counterparts with hearing. Tests of phonological memory skills indicated that when the tasks were controlled for presentation method and response modality, there were no differences between the performance of children with CIs and their counterparts with hearing. Tests of rapid naming revealed that there were no differences between rapid letter and number naming between the two groups. Results yielded a possible PP test battery for children with CI experience.     

The relationship of phonological awareness, rapid naming, and verbal memory to severe reading and spelling disability.

The present study examined the relationship of phonological awareness, naming speed, and verbal memory to the scores obtained from five tests assessing word attack, word identification, reading comprehension, and spelling skills in 54 children with severe reading disabilities (48 boys and 6 girls; M age = 9 years, 7 months). Multiple regression analyses indicated that the best predictor of achievement across the five academic tests was the Verbal Comprehension factor from the Wechsler Intelligence Scale for Children-Revised. Age, socioeconomic status (SES), and externalizing behavior problems were also significant predictors of achievement, depending on the academic measure. After controlling for age, SES, behavior problems, and intelligence, the phonological awareness task added significantly to the prediction of word attack, spelling, and reading comprehension scores; rapid letter naming added significantly to the prediction of word identification and prose passage speed and accuracy scores; and a word-list memory task added significantly to the prediction of word recognition scores. These results suggest that several independent processes interact to determine the extent and severity of reading problems.