Item-validity analysis of the SED-S in a multicentre study of adults with intellectual disabilities

IF 2.1 3区医学 Q2 PSYCHOLOGY, EDUCATIONAL Journal of Applied Research in Intellectual Disabilities Pub Date : 2024-08-15 DOI:10.1111/jar.13275

Hauke Hermann, Annemieke Witte, Gloria Kempelmann, Brian F. Barrett, Sandra Zaal, Jolanda Vonk, Filip Morisse, Anna Pöhlmann, Paula S. Sterkenburg, Tanja Sappok

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Abstract

Background

Valid and reliable instruments for measuring emotional development are critical for a proper diagnostic assignment in individuals with intellectual disabilities. This exploratory study examined the psychometric properties of the items on the Scale of Emotional Development—Short (SED-S).

Method

The sample included 612 adults with intellectual disabilities (M_age = 37.35, SD_age = 13.27; 59.8% males). Item validity analysis comprising sensitivity and specificity rates and discriminatory power were determined.

Results

The relative mean frequency of ‘yes’ answers to all 200 items was 29.5%. The mean sensitivity rate was 67.5% and the mean specificity rate was 79.3%. Most items (85.0%) showed good discriminatory power with the adjacent stage(s), especially between SED-1, SED-2, SED-3 and SED-4. Particularly in SED-4 some items showed weaknesses in the differentiation between these stages.

Discussion

This study adds to previous validation studies by showing that most SED-S items have psychometrically sound properties.

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智障成人多中心研究中的 SED-S 项目有效性分析。

背景：有效而可靠的情绪发展测量工具对于正确诊断智障人士至关重要。这项探索性研究考察了情绪发展量表-短表（SED-S）项目的心理测量特性：样本包括 612 名成年智障人士（平均年龄 = 37.35 岁，最小年龄 = 13.27 岁；59.8% 为男性）。结果："是 "和 "否 "的相对平均频率分别为 0.5%和 0.5%：所有 200 个项目中，回答 "是 "的相对平均频率为 29.5%。平均灵敏度为 67.5%，平均特异度为 79.3%。大多数项目（85.0%）对相邻阶段显示出良好的区分能力，尤其是在 SED-1、SED-2、SED-3 和 SED-4 之间。特别是在 SED-4 阶段，一些项目在区分这些阶段方面存在不足：讨论：本研究对之前的验证研究进行了补充，表明大多数 SED-S 项目具有良好的心理测量学特性。

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来源期刊

Journal of Applied Research in Intellectual Disabilities Multiple-

CiteScore

4.70

自引率

12.50%

发文量

期刊介绍： JARID is an international, peer-reviewed journal which draws together findings derived from original applied research in intellectual disabilities. The journal is an important forum for the dissemination of ideas to promote valued lifestyles for people with intellectual disabilities. It reports on research from the UK and overseas by authors from all relevant professional disciplines. It is aimed at an international, multi-disciplinary readership. Topics covered include community living, quality of life, challenging behaviour, communication, sexuality, medication, ageing, supported employment, family issues, mental health, physical health, autism, economic issues, social networks, staff stress, staff training, epidemiology and service provision.