Learning disabilities in minority adolescents

Summary Seventy “predelinquent” disadvantaged seventh-grade students and 30 controls were compared on fifteen variables. It was found that the experimental group was significantly behind the controls in reading, grade-point-average, IQ test scores (verbal and nonverbal), as well as on measures of visual-motor and auditory perceptual functioning. It appears that the experimental youngsters display a syndrome usually considered to evidence specific learning disabilities. However, in this type of population it is difficult to separate the effects of environmentally determined deficits from inherent deficits. Therefore, it was not possible to estimate the incidence of true specific learning disabilities. On the other hand, it was suggested that regardless of the etiology of the deficits, these children could profit from the same types of educational opportunities as have been found well-suited to aid children with learning disabilities.     

Vowel perception and production in adolescents with reading disabilities

Perception and production of the vowels /I/, /?/, /æ/ in the words pit, pet and pat were investigated in two groups of adolescents who differed significantly on measures of reading and phonological awareness. Perception performance was assessed using slope measurements between vowel categories. Duration measurements and a rating system based on first and second formant (F1 and F2) values were used to analyze production performance. As a group, the students with reading disabilities not only perceived but also produced less well-defined vowel categories than the control group of age-matched good readers. Perception and production performance, however, were not correlated. Results suggest that the speech processing difficulties of the students with reading disabilities include weak phonological coding for vowel sounds with similar phonetic characteristics. The implications of these findings for intervention are addressed.     

A word identification strategy for adolescents with learning disabilities

Students with learning disabilities frequently experience difficulty on reading tasks. This difficulty is heightened for adolescents with learning disabilities who are responsible for reading and understanding materials written at several grade levels above their reading ability. Word identification becomes an increasingly important skill for these students, especially when confronted with unfamiliar, polysyllabic words. The present study investigated the effects of training 12 adolescents with learning disabilities in a word identification strategy, DISSECT. The results indicated that the strategy was effective in reducing reading errors for all subjects. However, it was found that increases in word identification differentially affected reading comprehension and indicate the need for separate and/or simultaneous attention to comprehension processes.     

The accuracy of academic self-evaluations in adolescents with learning disabilities

The purpose of this study was to document the degree of overestimation of academic skills among students with learning disabilities (LD) and to evaluate the role of reference group and metacognitive awareness in such overestimation. High school students with (n = 52) and without (n = 49) LD in Grades 9 through 12 completed a self-concept scale and a survey requiring them to rate their own academic skills in 17 specific skill areas. Students were further asked to predict their performance on two academic tasks prior to actually performing the tasks. The students' mothers or fathers, their English teachers or academic advisors, and (in the case of the students with LD) their special education case managers also completed the skill rating inventory and predicted student performance on the two tests. Despite reporting significantly lower academic self-concepts, students with LD overestimated their academic skills relative to the ratings of others and to their actual test performance. Such overestimation was less pronounced among the students without LD. All participants reported using similar reference groups in making their judgments. Analyses of item-by-item accuracy judgments from the two tests revealed evidence of group differences in metacognitive awareness that may be related to the overestimation. These findings have implications for realistic goal setting and effective self-advocacy.     

Frequency of adoption of children and adolescents with learning disabilities

Students from three different facilities who were diagnosed as learning disabled were studied to determine the frequency of adoption with this population as compared to the national norm. The frequency of adoption was found to be 4.5 times higher than the norm, that is, 17.3% versus 3.9%. The possible reasons for this high incidence are discussed.     

The interactive effect of test anxiety and learning disabilities among adolescents

The purpose of the present research was to expand the knowledge about test anxiety (TA) and its interactive effect on personality characteristics among adolescents who suffer from learning disabilities (LDs). The 166 participants aged 14–18 years, were divided into the following four groups: (1) adolescents with TA and with LD; (2) adolescents with TA but without LD; (3) adolescents without TA but with LD; and (4) adolescents without TA and without LD. The participants answered the Minnesota Multiphasic Personality Inventory–Adolescent (MMPI-A) and Test Anxiety Inventory (TAI). MANOVA of the MMPI-A scales indicated that TA groups had more symptomatic scores than the No-TA counterparts on the measures of the TAI and in 38 out of 69 measures of the MMPI-A.     

Instructing adolescents with learning disabilities: converting a meta-analysis to practice

A previous meta-analysis indicated that eight instructional factors--Questioning, Sequencing and Segmentation, Skill Modeling, Organization and Explicit Practice, Small-Group Setting, Indirect Teacher Activities (e.g., homework), Technology, and Scaffolding-captured the majority of successful intervention programs for adolescents with learning disabilities (LD). Most important was the Organization/Explicit factor, which contributed significant variance (16%) to effect size. This factor included two important instructional components: advance organization and explicit practice. In this article, we convert these findings into practical guidelines to direct instructional practice.     

Teaching adolescents with learning disabilities to generate and use task-specific strategies

The effects of an intervention designed to enhance students' roles as control agents for strategic functioning were investigated. The goal was to increase the ability of students labeled learning disabled to generate new strategies or adapt existing task-specific strategies for meeting varying demands of the regular classroom. Measures were taken in three areas: (a) metacognitive knowledge related to generating or adapting strategies, (b) ability to generate problem-solving strategies for novel problems, and (c) the effects of the intervention on students' regular classroom grades and teachers' perceptions of the students' self-reliance and work quality. A multiple baseline across subjects design was used. The intervention resulted in dramatic increases in the subjects' verbal expression of metacognitive knowledge and ability to generate task-specific strategies. Students' regular class grades increased; for those students who did not spontaneously generalize use of the strategy to problems encountered in these classes, providing instruction to target specific classes resulted in improved grades. Teacher perceptions of students' self-reliance and work quality did not change, probably because baseline measures were already high in both areas. Implications for instruction and future research are discussed.     

Perceived importance of occupations by adolescents with and without learning disabilities

A study of the perceived importance of 23 occupations by 65 adolescents with learning disabilities and 85 adolescents without learning disabilities revealed that occupations were ranked similarly by the two groups (Rho = .76). Analysis of the groups' rank order indicated diversity of students' perceptions about the importance of various occupations.     

Classroom behavior of children and adolescents with learning disabilities: a meta-analysis

Meta-analysis was used to review the results of 25 studies that compared the classroom behavior of children and adolescents with learning disabilities (LD) to children without learning disabilities. The data were analyzed from several different methodological perspectives. Results showed that both methodologically strong and weak studies demonstrated significant behavioral deficits of children with learning disabilities compared to their nondisabled peers in each of five overall areas: on-task behavior, off-task behavior, conduct disorders, distractibility, and shy/withdrawn behavior. Both observational and teacher rating data demonstrated these differences. Effect sizes for both groups of studies seemed to cluster around 1 standard deviation, suggesting noticeable and educationally significant impairment in the behavior of children with disabilities. Analysis of grade-level effect sizes suggests some explanation for the large number of referrals often witnessed during the elementary school years. Educational implications of these behavioral differences in terms of implications for mainstreaming are discussed.     

Reading comprehension in adolescents with learning disabilities: semantic and syntactic effects

Ninety-two adolescents with learning disabilities were randomly assigned to four groups to determine the effects of semantic and syntactic complexity on the reading comprehension of content area prose. One group served as a control and read a social studies passage without change. The three treatment groups read passages with syntactic and/or semantic modifications. Comprehension was significantly better for those groups reading passages with combined semantic and syntactic modifications and syntactic modifications alone, when compared to the control group. Semantic modifications alone did not significantly improve comprehension.     

Visual processing of verbal and nonverbal stimuli in adolescents with reading disabilities

This study investigated whether a group of children with reading disabilities (RD) were slower at processing visual information in general (compared to a group of children of comparable age and a group of children of comparable reading level), or whether their deficit was specific to the written word. Computerized backward masking and temporal integration tasks were used to assess the speed of visual information processing. Stimulus complexity (simple, complex) and type (verbal, nonverbal) were varied, creating a 2 x 2 matrix of stimulus conditions: simple nonverbal, complex nonverbal, simple verbal, and complex verbal. Adolescents with RD demonstrated difficulties in processing rapidly presented verbal and nonverbal visual stimuli, although the effect was magnified when they were processing verbal stimuli. Thus, the results of this study suggest that some youth with reading disabilities have visual temporal processing deficits that compound difficulties in processing verbal information during reading.     

Mental flexibility and planning skills in children and adolescents with learning disabilities.

Mental flexibility (skill with shifting response set) and visual planning skills were examined with a group of 60 children and adolescents with learning disabilities. The sample consisted of 44 boys and 16 girls with an age range of 9 to 15. Scores from the Trail Making Test and the Wisconsin Card Sorting Test were cluster-analyzed and subgroups were formulated. The results of the cluster analysis indicated a two-group solution to be most appropriate. One subtype was clearly dysfunctional on the classifying variables, while the other subgroup approached average levels. The two subtypes were compared on measures of intellectual functions, academic skills, auditory memory, visual memory, visual-motor integration, motor speed, and tactile integration. Significance was found on several different tests. The results are discussed in terms of potential cortical dysfunction evidenced by the subgroups.     

Verbal retelling abilities in adolescents with and without language-learning disabilities for social studies lectures

Verbal retelling abilities for social studies lectures were examined and compared in 20 adolescent boys, ages 12-5 to 14-7, with language-learning disabilities (LLD) and 29 with normal language abilities (NL). Participants viewed one videotaped social studies lecture with a comparison expository discourse structure and one with a causation discourse structure. Following each lecture presentation, participants verbally retold the lecture. Results of several repeated-measures analyses of variance indicated that the group with LLD produced a significantly smaller number of T-units, subordinate clauses, subordinate clauses per T-unit, T-units per second, lecture components per second, and percentage of lecture components in their retellings, compared with the group with NL, regardless of lecture type. Both groups produced a significantly greater number of T-units and subordinate clauses for the comparison lecture. By contrast, both groups recalled a significantly greater number of lecture components per T-unit and per second for the causation lecture. Results indicated that the comparison discourse structure facilitated more substantive and elaborate retellings, whereas the causation discourse structure facilitated more efficient, concise retellings in both groups. Research and instructional implications are discussed.     

Meeting the challenge of limited literacy resources for adolescents and adults with intellectual disabilities

For adolescents and adults with mild to moderate intellectual disabilities (or, in the UK, learning disabilities or learning difficulties), the achievement of successful engagement with, and construction of meaning from, texts necessitates the implementation and use of specifically designed and adapted teaching strategies and resources. The careful selection and application of appropriate resources is vital to allow learners with intellectual disabilities to engage and participate with texts in positive, enjoyable and meaningful ways. The challenge for teachers of adolescents and adults with intellectual disabilities is to overcome the limited availability of suitable literacy resources for these learners. In this article, Michelle Morgan, who teaches literacy at the University of Queensland, and Karen Moni, director of the secondary programmes in the School of Education at the University of Queensland, identify the literacy needs and reading practices of adolescents and adults with intellectual disabilities based upon findings from an action research investigation. They go on to explore ways in which teachers can meet the challenge of limited resources for these learners through the specific and deliberate adaptation and creation of suitable texts.     

Emotional adjustment and school functioning of young adolescents with multiple versus single learning disabilities

Early adolescents (Grades 6-8) with multiple learning disabilities (LD; reading and math) in inclusive settings were compared to adolescents with single LD (reading or math) and typically achieving (TA) peers regarding their psychosocial functioning in two areas of adolescent well-being: emotional adjustment and school functioning. The Behavior Assessment System for Children (Reynolds & Kamphaus, 1998) Self-Report of Personality for adolescents was used to determine well-being. One hundred twenty middle school students-15 boys and 15 girls in each group-were included in the current study. The results confirmed that adolescents with multiple LD (reading and math) reported poorer functioning (i.e., higher T scores) on school maladjustment, clinical maladjustment, emotional symptoms index, attitude to school, atypicality, and depression when compared to TA peers but not when compared to peers with a single LD (reading or math). All three groups differed from the TA group (but not from each other) on sense of inadequacy, with the multiple LD group reporting the highest T scores. Additional analyses indicated significant differences between girls and boys, regardless of disability status. Girls reported higher T scores on the emotional symptoms index, social stress, and depression, but boys reported greater school maladjustment and sensation seeking. Implications for practice and recommendations for future research are discussed.