Tatar Arkun, Saltukoğlu Gaye, Alioğlu Seda, Çimen Sümeyye, Güven Hülya, Ay Çağla Ebru
Department of Psychology, The University of Texas at Austin, Austin, USA.
Department of Psychology, Fatih Sultan Mehmet Vakıf University School of Literature, İstanbul, Turkey.
Noro Psikiyatr Ars. 2017 Sep;54(3):216-224. doi: 10.5152/npa.2017.12769. Epub 2016 Sep 1.
It is not clear in the literature whether available instruments are sufficient to measure alexithymia because of its theoretical structure. Moreover, it has been reported that several measuring instruments are needed to measure this construct, and all the instruments have different error sources. The old and the new forms of Toronto Alexithymia Scale are the only instruments available in Turkish. Thus, the purpose of this study was to develop a new scale to measure alexithymia, selecting items and constructing the factor structure.
A total of 1117 patients aged from 19 to 82 years (mean = 35.05 years) were included. A 100-item pool was prepared and applied to 628 women and 489 men. Data were analyzed using Explanatory Factor Analysis, Confirmatory Factor Analysis, and Item Response Theory and 28 items were selected. The new form of 28 items was applied to 415 university students, including 271 women and 144 men aged from 18 to 30 (mean=21.44).
The results of Explanatory Factor Analysis revealed a five-factor construct of "Solving and Expressing Affective Experiences," "External Locused Cognitive Style," "Tendency to Somatize Affections," "Imaginary Life and Visualization," and "Acting Impulsively," along with a two-factor construct representing the "Affective" and "Cognitive" components. All the components of the construct showed good model fit and high internal consistency. The new form was tested in terms of internal consistency, test-retest reliability, and concurrent validity using Toronto Alexithymia Scale as criteria and discriminative validity using Five-Factor Personality Inventory Short Form.
The results showed that the new scale met the basic psychometric requirements. Results have been discussed in line with related studies.
由于述情障碍的理论结构，文献中尚不清楚现有的测量工具是否足以测量它。此外，据报道，需要几种测量工具来测量这一结构，并且所有工具都有不同的误差来源。多伦多述情障碍量表的旧版和新版是土耳其语中仅有的可用工具。因此，本研究的目的是开发一种新的量表来测量述情障碍，选择条目并构建因子结构。
共纳入1117名年龄在19至82岁之间（平均 = 35.05岁）的患者。准备了一个包含100个条目的题库，并应用于628名女性和489名男性。使用解释性因子分析、验证性因子分析和项目反应理论对数据进行分析，选择了28个条目。新的28个条目的量表应用于415名大学生，其中包括271名女性和144名男性，年龄在18至30岁之间（平均 = 21.44岁）。
解释性因子分析的结果揭示了一个五因子结构，即“解决和表达情感体验”、“外部聚焦认知风格”、“情感躯体化倾向”、“想象生活和可视化”以及“冲动行事”，还有一个代表“情感”和“认知”成分的双因子结构。该结构的所有成分均显示出良好的模型拟合和高内部一致性。以多伦多述情障碍量表为标准对新量表进行了内部一致性、重测信度和同时效度测试，并使用五因素人格量表简版进行了区分效度测试。
结果表明新量表符合基本的心理测量学要求。已根据相关研究对结果进行了讨论。
