Pouresmaeil Mahnaz, Dehdari Tahereh, Zeidi Isa Mohammadi, Mohammadi Neda, Rahmati Seyed Habib A
Department of Health Education and Health Promotion, School of Public Health, University of Medical Sciences, Tehran, Iran.
Health Promotion Research Center, Iran University of Medical Sciences, Shahid Hemmat Highway, Tehran, Iran.
BMC Psychol. 2025 Mar 27;13(1):307. doi: 10.1186/s40359-025-02493-7.
One way to gain insight into the social construction of disability is by examining the attitudes of individuals with disabilities toward disability itself. This study aimed to evaluate the psychometric properties of the Persian version of the Attitudes to Disability Scale (ADS) within a sample of individuals with physical disabilities. This psychometric study employed a forward-backward translation process to translate the general items of the ADS from English to Persian. The instrument's validity and reliability were subsequently evaluated. The face and content validity of the instrument items were assessed. Confirmatory Factor Analysis (CFA) was conducted to verify the factor structure of the ADS, based on data from 172 individuals with physical disabilities, aged 22 to 60. Cronbach's alpha was calculated to assess the internal consistency of the ADS subscales. Both the Content Validity Index (CVI) and Content Validity Ratio (CVR) for all items were found to be acceptable. The results of CFA revealed that the 16 items of the ADS loaded onto four distinct factors: inclusion (4 items), discrimination (4 items), gains (4 items), and prospects (4 items). The four-factor ADS demonstrated good fit indices, with a root mean square error of approximation of 0.054, a root mean square residual of 0.054, a comparative fit index of 0.93, a relative Chi-square (χ²/df) of 1.50, a Tucker-Lewis index of 0.914, and a goodness of fit index of 0.906. Cronbach's alpha values were 0.70 for the inclusion, discrimination, and prospects subscales, 0.73 for the gain subscale, and 0.76 for the overall scale. In conclusion, the findings indicate that the Persian version of the ADS is a reliable and valid tool for assessing attitudes toward disability among individuals with physical disabilities in Iran.
深入了解残疾的社会建构的一种方法是研究残疾人对残疾本身的态度。本研究旨在评估身体残疾者样本中波斯语版残疾态度量表（ADS）的心理测量特性。这项心理测量研究采用了前后翻译过程，将ADS的一般项目从英语翻译成波斯语。随后对该工具的效度和信度进行了评估。评估了工具项目的表面效度和内容效度。基于172名年龄在22至60岁之间的身体残疾者的数据，进行了验证性因素分析（CFA）以验证ADS的因素结构。计算了Cronbach's alpha系数以评估ADS子量表的内部一致性。所有项目的内容效度指数（CVI）和内容效度比率（CVR）均被认为是可接受的。CFA结果显示，ADS的16个项目加载到四个不同的因素上：包容（4个项目）、歧视（4个项目）、收获（4个项目）和前景（4个项目）。四因素ADS显示出良好的拟合指数，近似均方根误差为0.054，均方根残差为0.054，比较拟合指数为0.93，相对卡方（χ²/df）为1.50，塔克-刘易斯指数为0.914，拟合优度指数为0.906。包容、歧视和前景子量表的Cronbach's alpha值为0.70，收获子量表为0.73，总量表为0.76。总之，研究结果表明，波斯语版ADS是评估伊朗身体残疾者对残疾态度的可靠且有效的工具。
