Performance characteristics of retarded and normal students on pattern recognition tasks

The purpose was to compare the performance of normal and educable mentally retarded children on pattern recognition tasks. Pattern recognition was assessed by the administration of 96 pattern tasks which measured the ability of children to find: (a) duplicate patterns and same elements as presented in model pattern sequences; (b) opposite patterns and same elements as presented in model pattern sequences; and (c) duplicate patterns but different elements than presented in model pattern sequences. The normal and mentally retarded children were matched on mental age derived from individual and group intelligence tests. Results indicated significant differences in performance measures between groups and various pattern tasks. The data support the suppositions that: (a) mentally retarded children and normal children show the same type of progression through the hierarchical arrangement of pattern tasks; and (b) mentally retarded children show a slower progression through the hierarchy than normal children when matched on mental age. Educational implications from this study are discussed.     

青春期轻度智障学生与普通学生心理健康特点比较研究

使用心理健康诊断测验(MHT)手册对处于青春期的轻度智障学生与普通学生的心理健康特点进行比较研究,结果发现:(1)青春期轻度智障学生与普通学生在心理健康方面存在显著差异;(2)两类学生心理健康在性别上比较,男生间差异显著,女生间差异不显著;(3)不同年级的智障学生间差异显著;(4)智障学生中男生的心理健康问题比女生明显。本文分析了造成青春期轻度智障学生心理健康问题的原因,并为特殊学校开展心理健康教育提出建议。     

Expectancy and halo effects as a result of artificially induced teacher bias

This investigation examined the effects of deviancy labels on teachers' expectations of child behavior and their ability to evaluate child behavior objectively. One hundred elementary school teachers were randomly assigned to one of four label groups. Each group dealt with one label (emotionally disturbed, learning disabled, mentally retarded, normal), and each group participated in two separate treatment phases. During Phase I teachers identified behaviors they expected to be displayed by hypothetical children characteristic of the label condition. They were asked to complete a referral form for either a hypothetical normal, mentally retarded, learning disabled, or emotionally disturbed child. During Phase II, each group saw the same videotape of a normal fourth grade boy and completed a second referral form based on the behaviors displayed during this presentation. Experimental procedures were identical for the four groups, except each group was told the child was a member of a different category.Results indicated that teachers hold negative expectancies toward children categorized with a deviancy label and maintain expectancies even when confronted with normal behavior, behavior inconsistent with the stated label. Maintenance of this bias is sufficient to cause teachers to misinterpret actual child behavior, resulting in a halo effect. Results further indicated that the label of educable mentally retarded generated a greater degree of negative bias than did the labels learning disabled or emotionally disturbed, although all three deviancy labels produced negative expectancies and halo effects significantly different from those found under control conditions.     

Eco-cultural influences upon students' concept attainment in science

It is becoming increasingly evident that the nature of the environment (ecology) influences the culture of a people. The prediction that such eco-cultural variables could exert influence on students' concept attainment in science was tested in this study using a 2 (general environment) × 2 (reasoning pattern) × 2 (nature of home) × 2 (goal structure) fixed-effect ANOVA design. The results showed that (1) students who live in a predominantly automated environment did better than those in a predominantly manual environment; (2) students whose reasoning patterns were predominantly magical and superstitious performed significantly lower than those who were empirical in reasoning; (3) rural dwellers were predominantly cooperative in outlook; (4) students who expressed preference for cooperative learning did significantly better than those who expressed preference for competitive and individual work; and (5) students from authoritarian homes achieved less well on the science concept test when compared with those from permissive homes. A number of important implications from these findings are drawn.     

轻度智力落后学生的父母教养方式、同伴关系对适应行为的影响

采用问卷法,以268名年龄在12-15岁的正常学生和轻度智力落后学生为被试,考察了轻度智力落后学生的父母教养方式、同伴关系及其与适应行为的关系。结果表明,轻度智力落后学生在父母教养方式和同伴关系方面与智力正常学生均存在显著的差异,父母教养方式和同伴关系对轻度智力落后学生的适应行为有着显著的影响。     

Sex differences on the WISC-R for retarded children and youth

This study investigated sex differences on the WISC-R subtests for retarded males and females who were matched in terms of WISC-R Full Scale IQs. The sample consisted of 126 children and youth (63 females, 63 males) ranging in chronological age from 7–3 to 8–3, with a mean CA of 7–8. Each subject was matched in terms of Full Scale IQ score. A 2 × 10 analysis of variance with repeated measures on a single factor was used to analyze the data. Students' T and Fisher's F ratios were calculated, and differences between subtest means were analyzed by Newman-Keuls test for sample effects. Evidence from the investigation indicated that a significant interaction effect existed between sex and subtest scores.     

Effects of diagnostic label,race, gender,educational placement,and definitional information on prognostic outlook for children with behavior problems

Across the United States, children with behavioral and emotional problems receive one of a variety of labels if they are determined eligible for special education services. Labels like SED, EBD, and BD can result in lowered or negative expectations that others have for these children. This study investigated the effects of label, child's gender and race, child's educational placement, and availability of definitional information on prognostic judgments for children with behavior problems. Three‐hundred‐sixty‐three undergraduate students enrolled in teacher education courses read a vignette and completed a prognostic outlook questionnaire. The questionnaire items asked for judgments about the likelihood of further behavioral disruption, the likelihood of developing and maintaining adequate interpersonal relationships, and requested an estimate of overall adjustment of the child. The vignette described an elementary school child with behavior problems and its content was held constant. Gender (boy vs. girl), race (African American vs. Caucasian), educational placement (receiving special education services full‐time through inclusion vs. self‐contained), diagnostic label (BD vs. EBD vs. SED) and definition of the disorders (present vs. absent) were varied. There was a label × race × placement interaction and a label × definition interaction for the behavioral disruptiveness dependent measure. Under the inclusion condition White children who had the SED or EBD label were rated to be significantly more likely to be disruptive than children with the BD label. For the 2‐way interaction when no definitional information was given children who had the SED label were rated more likely to be disruptive than children who had either the EBD or BD labels. There was also a significant gender × race × definition interaction on the overall adjustment measure. However, post hoc contrasts were not significant and no conclusions were drawn other than that the effect was minimal. There was a significant main effect of gender on the interpersonal relationships variable. Girls were judged as significantly more likely to develop appropriate interpersonal relationships with others than were boys. No other significant effects were noted. © 1999 John Wiley & Sons, Inc.     

应用表象训练技术提高弱智儿童表象清晰度和表象记忆实验研究

为提高弱智儿童表象清晰度和表象记忆能力,对北京地区48名弱智 被试进行的表象训练实验研究结果表明:被试整体训练后的清晰度和记忆成 绩均高于训练前的成绩,且差异显著;轻度与中度被试的清晰度成绩差异显 著;重度被试的记忆训练成绩均高于中度和轻度被试,且差异显著;高清晰组 的记忆成绩训练前后差异显著,低清晰组则不显著;说明表象训练技术对提 高弱智儿童的表象清晰度和记忆力是有效的,清晰度越高,对记忆提高的帮 助越大。在教学中,应加强和应用此项技术,提高认知能力,开发其潜能。     

Simultaneous Statistical Tests on Categorical Data

Educable mentally retarded children and normal children of average intelligence were compared in performance on the Children’s Manifest Anxiety Scale. The purpose of the study was to determine the following: 1.) a measure of long-term test-retest reliability, 2.) suitability of the scale with a younger chronological age group, and 3.) comparative data on differences in anxiety scores between normal and retarded children.Controls for procedural modifications, residential and educational status, sex differences, chronological age range, and range of IQ were employed. Test-retest correlations indicated that the scale was reliable for normal Ss but not for the retarded Ss. CMAS effects based on age and IQ did exist. Older retardates received higher anxiety scores than younger retardates on Test 2, while Test 1 difference was not significant. Retarded children obtained higher anxiety scores than normal children on Test 1. It was concluded that reliability over a 10-month period is poor for retarded Ss. Moreover, the instrument is of doubtful utility with younger retarded Ss.     

Working memory load and automaticity in relation to mental multiplication

The authors’ aim was to examine the relations among mental multiplication, working memory load (WML), and automaticity by alternating the difficulty level of task characteristics. In Experiment 1, involving 30 fifth-grade students with mixed abilities, a 2 (WML) × 2 (automaticity) design was utilized. In Experiment 2, involving 21 high-achieving mathematics learners and 21 low-achieving mathematics learners in Grade 4, a 2 (WML) × 2 (automaticity) × 2 (achievement) design was utilized. Regardless of level of automaticity, individuals under low-WML conditions performed more accurately and faster. Regardless of level of WML, individuals under high automaticity conditions performed more accurately and faster. Group difference was significant. The simple effect of WML was bigger under the conditions with low automaticity, in comparison to the conditions with high automaticity. Alternating difficulty level simultaneously in 2 dimensions of testing conditions posed an amplified impact on the low-achieving group.     

Mental toughness in education: exploring relationships with attainment,attendance, behaviour and peer relationships

Mental toughness has frequently been associated with successful performance in sport; however, recent research suggests that it may also be related to academic performance in Higher Education. In a series of three exploratory studies, we examined the relationship between mental toughness and different aspects of educational performance in adolescents aged 11–16, focusing on academic attainment, school attendance, classroom behaviour and peer relationships. Study 1 revealed significant associations between several aspects of mental toughness (but particularly control of life) and academic attainment and attendance. Study 2 revealed significant associations between several aspects of mental toughness (but again particularly control of life) and counterproductive classroom behaviour. Finally, Study 3 demonstrated significant associations between aspects of mental toughness (confidence in abilities and interpersonal confidence) and peer relationships. The results are discussed in terms of the potential value of mental toughness as a useful concept in education.     

Differences in eye movements control among dyslexic,retarded and normal readers in the Spanish population

This paper reports a research which examined the relationship between dyslexia and eye movement control in Spanish speaking children. The study compared the eye movements recordings of 30 dyslexic, 30 retarded and 30 normal readers, aged between 7 and 14, in one ocular tracking task and two reading tasks which differed in their degree of reading difficulty. Within each group the subjects were divided into 3 subgroups of 10 in accordance with the following chronological ages: 7–9, 10–11 and 12 years and above. Dependent variables were saccadics (number, size and fixation pause), regressives (number, size and fixation pause), total number of movements and percentage of regressives over the total number of movements. The following results were obtained: (1) In the two reading tasks significant differences were found between dyslexic and normal readers and between retarded and normal readers in most of the parameters, no differences being found between dyslexic and retarded readers except in a few parameters; (2) in the ocular tracking task significant differences both between dyslexic and normal readers and between dyslexic and retarded readers were found in all dependent variables, no differences being found between retarded and normal readers at all, and (3) the age factor produced a significant main effect in the two reading tasks indicating a general improvement of eye movements as age increases but an interaction effect with reading disability in the ocular tracking task-indicating a deterioration in eye movements in the dyslexic group as a function of age-was also found. The results are discussed in the context of alternative theoretical explanations of developmental dyslexia.This research was supported by grant PR82-1933 from the Spanish Consulting Committee for Scientific and Technological Research (CAYCIT). Requests for reprint should be sent to F. J. Martos, Departamento de Psicologia Experimental y Fisiologia del Comportamiento. Campus de Cartuja, Universidad de Granada. 18071 Granada, Spain.     

An empirical basis for linking social and emotional learning to academic performance

There is general agreement about the benefits of school-based social and emotional learning (SEL) interventions in relation to children and young people’s social-emotional competence, mental health, and academic achievement. However, we know little about the theorized mechanisms through which SEL leads to improved academic outcomes. The current study is the first to present an integrative model (derived from the SEL logic model) using a 3-wave (annual assessment, T1, T2, T3) longitudinal sample of 1626 (51% boys, n = 832) 9–12-year-old students (M = 9.17, SD = .31 at baseline) attending 45 elementary schools in England, drawn from a major randomized trial of a universal SEL intervention (the Promoting Alternative Thinking Strategies curriculum; PATHS). Using structural equation modeling that accounted for within-time covariance, data clustering, gender and prior academic attainment, we examined the temporal relations between social-emotional competence (T1), school connectedness (T2), mental health difficulties (T2), and academic attainment (T3). It was hypothesized that social-emotional competence would directly and indirectly influence academic attainment through school connectedness and mental health difficulties. Our analyses also examined whether these hypothesized relations varied as a function of intervention exposure (PATHS versus usual provision). The theorized model was partially supported. Social-emotional competence at T1 exerted a significant influence on school connectedness and mental health difficulties at T2. However, the latter was the only significant predictor and mediator of academic attainment at T3 after controlling for gender and prior academic performance. Students with greater social-emotional competence at T1 were reported to experience fewer mental health difficulties at T2, and this in turn predicted higher academic attainment at T3. Intervention exposure did not markedly influence the magnitude or statistical significance of these identified pathways. Collectively, these findings indicate some possible revisions to our current understanding regarding the role of social-emotional competence in promoting academic attainment, as its contribution appears to lay primarily in buffering the adverse effects of mental health difficulties.     

An Empirical Evaluation of the Accomplishment Quotient

Seventy-two subjects, classified as to school, grade, sex, and level of arithmetic achievement were given a 30 item test to measure their knowledge of three probability concepts before any formal school instruction. A repeated-measurements analysis of variance was used; significant F-ratios were observed for main effects of grade, level of achievement, and concept. Significant interaction between level of achievement and co nc ept was also observed. Estimated fixed effect of level of achievement was 7. 2 times as large as estimated fixed effect of grade, leading to the conclusion that mental age is much more important in mental concept development than chronological age. Results also indicated that subjects possessed considerable knowledge of the concepts involved before receiving formal instruction.     

The use of the McCarthy scales of children's abilities to assess moderately mentally retarded children

The performance of a sample of moderately mentally retarded children on the McCarthy Scales of Children's Abilities (MSCA) was investigated by comparing their obtained mental age (MA) scores with their Stanford-Binet MAs and Minnesota Child Development Inventory (MCDI) developmental ages (DAs). All three MA estimates correlated significantly, and there were no significant differences among mean MAs. However, valid MSCA Index scores could not be obtained for these moderately retarded children, using the current normative tables. Therefore, the MSCA cannot be recommended for measuring the intellectual level of retarded children for educational classification purposes.     

The conceptual basis for referential word meaning in children with autism

The purpose of this study was to examine the nature of the representation of substantive word meanings in children with autism. The subjects included 3 groups of autistic, mentally retarded, and normal children, who were matched on verbal mental age. The subjects participated in 2 experiments investigating their comprehension of words for basic level and superordinate level categories. The 3 groups were equivalent in their performance in both experiments. They also showed the same patterns of overextension and underextension errors that were related to a prototype representation of the underlying concepts. These findings suggest that semantic knowledge for concrete objects is represented and organized in similar ways in autistic, retarded, and normal children and that previous findings on cognitive deficits in autistic children are more likely related to their inability to use cognitive representations in an appropriate and flexible manner.     

随班就读轻度智力落后学生可逆性思维的调查研究

根据R:APOK模型编制的可逆性思维测验,对31名随班就读的轻度智力落后学生进行了个别测验,旨在探讨轻度智力落后学生可逆性思维的表现特征,为轻度智力落后学生的思维教学与训练提供依据。调查表明,轻度智力落后学生的可逆性思维在智商无显著差异的不同性别和年级之间都不存在显著差异,但智商有显著性差异的两组轻度智力落后学生的可逆性思维存在显著性差异。轻度智力落后学生的可逆性思维、智力以及学习能力三者之间有显著相关,在发展上具有高度的一致性。研究者认为,轻度智力落后学生的可逆性思维发展比较缓慢,强调可逆性思维过程的课程教学和可逆性思维操作的反复练习有助于他们的智能和学习能力发展。     

Creativity in Educational Administration

The Kounin (4) concept-switching task was administered to groups of institutionalized mentally retarded, non-institutionalized mentally retarded, lower-class normal, and middle-class normal children matched on MA. The concept switching task was administered under three different reward conditions: promise of reward, low tangible reward, and high tangible reward. Differences in performance between groups was tested by means of a 3 x 4 analysis of variance. F tests yielded no significant differences at the . 05 level. The study failed to confirm either Kounin’s concept of rigidity or Zigler’s deprivation motivational hypothesis. Possible reasons for lack of confirmation are discussed.     

Relationships of Some Personality Variables to Academic Attainment of Secondary School Pupils

The study examined the relationship of extraversion (E), neuroticism (N), psychoticism (P), academic self‐concept and locus of control to academic attainment of lower secondary school pupils in a cross‐cultural context. Measures of E, N, P, academic self‐concept, locus of control and academic attainment were taken from 120 pupils (60 boys, 60 girls) of Standard 7 in a middle school in Bophuthatswana (Southern African region). The analysis of results revealed that E, N and P are significantly negatively related to academic attainment, while academic self‐concept and internality are significantly positively associated with measures of academic attainment. No significant sex differences were found. It was also observed that mean E and N scores of the subjects of this study were significantly lower than those given in Eysenck and Eysenck's (1975) normative data for English children of the same age.     

The semantic differential technique in the examination of teacher attitudes to handicapped children

The study investigated the relationship between the attitudes of educators to exceptional children and the amount of contact with such children, knowledge about them, and the demographic variables: sex; age; and teaching experience of the respondents. A Semantic Differential technique was used and ten scales were rated over four concepts: physically handicapped children; emotionally disturbed children; mentally retarded children; speech impaired children. Attitude, represented by factor scores on a ‘social acceptability’ dimension, was correlated with the independent variables and produced low (r<.30) and inconsistent coefficients. An analysis of variance of the means of the ten scales over the four concepts indicated a more negative evaluation of the concept representing emotionally disturbed children than of the other three concepts. The evaluations were made in response to disability labels, and the results point to the need for further empirical research into the effects of labelling children on the attitudes of educators.