1 Department of Rehabilitation Sciences, The Hong Kong Polytechnic University , Hung Hom, Hong Kong.
2 Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences , Tehran, Iran.
J Behav Addict. 2018 Sep 1;7(3):665-675. doi: 10.1556/2006.7.2018.88. Epub 2018 Sep 28.
Given the growing epidemiological research interest concerning Internet addiction, brief instruments with a robust theoretical basis are warranted. The Internet Disorder Scale (IDS-15) is one such instrument that can be used to quickly assess the Internet addiction in an individual. However, only two language versions of the IDS-15 have been developed. This study translated the IDS-15 into Persian and examined its psychometric properties using comprehensive psychometric testing.
After ensuring the linguistic validity of the Persian IDS-15, 1,272 adolescents (mean age = 15.53 years; 728 males) completed the IDS-15, Depression Anxiety Stress Scale (DASS), Internet Gaming Disorder Scale - Short Form (IGDS9-SF), and the Bergen Social Media Addiction Scale (BSMAS). Confirmatory factor analysis (CFA), Rasch models, regression analysis, and latent profile analysis (LPA) were carried out to test the psychometric properties of the Persian IDS-15.
Both CFA and Rasch supported the construct validity of the Persian IDS-15. Multigroup analysis in CFA and differential item functioning in Rasch indicated that male and female adolescents interpreted the IDS-15 items similarly. Regression analysis showed that the IDS-15 correlated with IGDS9-SF and BSMAS (ΔR = .12 and .36, respectively) is stronger than the DASS (ΔR = .03-.05). LPA based on IDS-15 suggests three subgroups for the sample. Significant differences in depression, anxiety, IGDS9-SF, and BSMAS were found among the three LPA subgroups.
The Persian IDS-15 has robust psychometric properties as evidenced by both classical test theory and Rasch analysis.
鉴于人们对网络成瘾的流行病学研究兴趣日益浓厚，因此需要一种有坚实理论基础的简短工具。《网络障碍量表》（IDS-15）就是这样一种可以快速评估个体网络成瘾程度的工具。然而，该量表仅有两种语言版本。本研究将 IDS-15 翻译为波斯语，并通过全面的心理测量测试来检验其心理测量学特性。
在确保波斯语 IDS-15 的语言效度后，1272 名青少年（平均年龄=15.53 岁；728 名男性）完成了 IDS-15、抑郁焦虑压力量表（DASS）、网络游戏障碍量表-短式（IGDS9-SF）和卑尔根社交媒体成瘾量表（BSMAS）。采用验证性因素分析（CFA）、Rasch 模型、回归分析和潜在剖面分析（LPA）来检验波斯语 IDS-15 的心理测量学特性。
CFA 和 Rasch 均支持波斯语 IDS-15 的结构效度。CFA 的多组分析和 Rasch 的差异项目功能分析表明，男、女青少年对 IDS-15 项目的解释相似。回归分析表明，IDS-15 与 IGDS9-SF 和 BSMAS 相关（ΔR=分别为.12 和.36），比 DASS（ΔR=.03-.05）更强。基于 IDS-15 的 LPA 表明，该样本存在三个亚组。在三个 LPA 亚组中，抑郁、焦虑、IGDS9-SF 和 BSMAS 存在显著差异。
波斯语 IDS-15 具有良好的心理测量学特性，这一点可以从经典测试理论和 Rasch 分析中得到证明。
