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水平厘定方法在近二十年来发展迅速,其中Angoff方法的应用最为广泛。该文在已有的方法上提出了一种基于Rasch模型的改进的Angoff方法,该方法使用Rasch模型来估计典型学生的位置,通过均方残差等方法剔除不一致的裁判。文章最后详细阐述了该方法在香港全港性系统评估中的应用。 相似文献
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Objectives
We studied adults with autism spectrum disorder living in a specialized residential care home (n = 148). The participants’ behavioral problems were assessed using the French-language Scale for the Observation of Behavioral Problems in Adults with Autism (Échelle Pour l’Observation des Comportements-problèmes d’Adultes avec Autisme, EPOCAA; Recordon-Gaboriaud & Granier-Deferre). The study's main objectives were to (i) replicate the data from the EPOCAA reference group in a new sample of institutionalized adults, and (ii) study the impact of intellectual disability and medication on the EPOCAA scale. Our first hypothesis was that the severity of intellectual impairment would be associated with a greater likelihood of major behavioural problems. Our second hypothesis was that treatment (or the absence of treatment) with psychotropic and/or anti-epileptic medications would interact with the behavioural problems evaluated on the EPOCAA.Method
We first used Cohen's d to compare the results from our sample with those given in the EPOCAA. Next, we performed a multivariate analysis of covariance with intellectual impairment, sex, the use of anti-epileptic medications (as a yes/no binary variable), and the use of psychotropic medications (as a yes/no binary variable) as fixed factors, and age as a covariate.Results
All patients suffered from profound to severe intellectual impairment and low autonomy, which justified their permanent residence in a care home. A behavioral assessment of the study participants showed that the overall EPOCAA scores were much lower in the study sample than in the scale's reference sample. The combination of profound intellectual disability and autism was associated with more behavioral problems than severe intellectual impairment. The residents’ intellectual impairments were predominantly related to two domains (object use and sensorimotor activities/stereotypy) and to the severity of difficulties in the social interactions domain. The second hypothesis was not confirmed: the presence or absence of the various medications did not appear to influence behavioral problems. These results are discussed with a view to improving the residents’ quality of life. 相似文献
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