Which students need accommodations the most,and to what extent are their needs met by regular upper secondary school? A cross-sectional study among students with special educational needs

The aim of this study was twofold: (1) to identify factors associated with a high level of accommodation needs in school activities among students with special educational needs (SEN) in regular upper secondary education; and (2) to investigate the extent to which schools have met students’ perceived accommodation needs. Accommodation needs and their provision in school activities were assessed with the School Setting Interview for 484 students with SEN. Students’ mean age was 17.3 years and 50% did not have a diagnosis. A logistic regression analysis revealed that a high level of school absence, studying a vocational programme, and a neuropsychiatric disorder were associated with a high level of accommodation needs. In the majority of school activities, about 50% of students had not received any accommodation despite an experienced need for support. About 30% of students perceived a need for support even though they had been provided with accommodations, and around 25% stated they were satisfied with received accommodations. Regular upper secondary school students with SEN are insufficiently provided with accommodations to satisfactorily participate in education. Specific student characteristics, e.g. high level of school absence, should receive special attention when investigating and accommodating students’ needs for support in school activities.     

印章用字浅论

字法是印章艺术三法中之第一要法,有印内、印外之分,对印内、印外文字的界定又随时代而变迁。印字的取材,除了决定印人的文字学知识外,更重要的是在拓宽其创作领域,形成独特的艺术风格等方面起着十分重要的作用。     

高校学生考试成绩分布的正态性检验

结合教学实际阐述了成绩正态分布检验的意义,用拟合优度的χ2检验法对成绩分布进行正态性检验。指出经过完善后的拟合优度χ2检验法更加合理,更具有实际意义。     

Sensitivity of SEM Fit Indexes With Respect to Violations of Uncorrelated Errors

This simulation study investigated the sensitivity of commonly used cutoff values for global-model-fit indexes, with regard to different degrees of violations of the assumption of uncorrelated errors in confirmatory factor analysis. It is shown that the global-model-fit indexes fell short in identifying weak to strong model misspecifications under both different degrees of correlated error terms, and various simulation conditions. On the basis of an example misspecification search, it is argued that global model testing must be supplemented by this procedure. Implications for the use of structural equation modeling are discussed.     

Using Fit Indexes to Select a Covariance Model for Longitudinal Data

This study investigated the performance of fit indexes in selecting a covariance structure for longitudinal data. Data were simulated to follow a compound symmetry, first-order autoregressive, first-order moving average, or random-coefficients covariance structure. We examined the ability of the likelihood ratio test (LRT), root mean square error of approximation (RMSEA), comparative fit index (CFI), and Tucker–Lewis Index (TLI) to reject misspecified models with varying degrees of misspecification. With a sample size of 20, RMSEA, CFI, and TLI are high in both Type I and Type II error rates, whereas LRT has a high Type II error rate. With a sample size of 100, these indexes generally have satisfactory performance, but CFI and TLI are affected by a confounding effect of their baseline model. Akaike's Information Criterion (AIC) and Bayesian Information Criterion (BIC) have high success rates in identifying the true model when sample size is 100. A comparison with the mixed model approach indicates that separately modeling the means and covariance structures in structural equation modeling dramatically improves the success rate of AIC and BIC.     

Evaluating Model Fit With Ordered Categorical Data Within a Measurement Invariance Framework: A Comparison of Estimators

A paucity of research has compared estimation methods within a measurement invariance (MI) framework and determined if research conclusions using normal-theory maximum likelihood (ML) generalizes to the robust ML (MLR) and weighted least squares means and variance adjusted (WLSMV) estimators. Using ordered categorical data, this simulation study aimed to address these queries by investigating 342 conditions. When testing for metric and scalar invariance, Δχ² results revealed that Type I error rates varied across estimators (ML, MLR, and WLSMV) with symmetric and asymmetric data. The Δχ² power varied substantially based on the estimator selected, type of noninvariant indicator, number of noninvariant indicators, and sample size. Although some the changes in approximate fit indexes (ΔAFI) are relatively sample size independent, researchers who use the ΔAFI with WLSMV should use caution, as these statistics do not perform well with misspecified models. As a supplemental analysis, our results evaluate and suggest cutoff values based on previous research.     

生命安全教育：学校体育的诉求与契合

从学校生命安全教育现状出发,论述了学校体育对生命存在、生命安全、生命维护、生命发展的＂源本性、应急性、生活化、健康性＂诉求;提出了学校体育教育与生命安全教育在体育教育思想理念、组织管理机制、体育课程目标、体育课程内容等方面有机契合的措施,阐明学生在自然与社会双重危机考验下,学校生命安全与生存发展必须作为学生首要素质的基本体育活动能力发展,构建置身生存全部,面向生活细节,体验健康人生的生活化、情境化的新型体育教学模式。     

Figuring out the statistics of the ICC World Cup 2011

This paper deals with the analysis of cricket match results from the ICC World Cup 2011. We believe that such data provide good material for interesting classroom exercises.     

桥式起重机主动车轮组车轮与轴装配方法分析

文章对240t桥式起重机主动车轮组车轮与轴装配方法进行了分析,提出采用常温下压装及热装法,通过比较最终确定合理的装配方案。     

正弦规测量燕尾配合件角度的原理与方法

正弦规作为一种精密的量具,在测量零件角度、圆锥锥角方面发挥着非常好的功能。拓展正弦规的使用范围,使用正弦规测量燕尾配合角度的方法及原理,进一步阐述了其测量方法精度高,同时避免了传统测量方法中使用量具数量多,操作繁杂,效率低等不足。