Psychometric properties of the Persian version of the stuttering generalization self-measure tool in adults who stutter

IF 2.1 3区医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Journal of Fluency Disorders Pub Date : 2024-03-14 DOI:10.1016/j.jfludis.2024.106056

Ebtesam Hozeili , Tabassom Azimi , Akram Ahmadi , Hassan Khoramshahi , Neda Tahmasebi , Maryam Dastoorpoor

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Abstract

Purpose

Our study aimed to translate the Stuttering Generalization Self-Measure (SGSM) into Persian and investigate its validity, reliability, and internal responsiveness in the Iranian population.

Method

This study was conducted on 30 adults who stutter (AWS) and 30 adults who do not stutter (AWNS). The International Quality of Life Assessment protocol (IQOLA) was applied to translate SGSM into Persian. The face and content validity were determined. Also, the discriminant validity was evaluated by comparing the scores of two groups. In addition, the internal consistency test-retest, and inter-judge reliability were assessed with Cronbach’s alpha and intra-class correlation coefficients (ICC). Moreover, the mean standardized response (MSR) and the standardized effect size were measured to determine the internal responsiveness using pre- and post-treatment data.

Results

All the items were comprehensible and clear. The content validity ratio (CVR) and content validity index (CVI) for all nine questions were obtained higher than.62 and.9, respectively. The internal consistency value was high (Cronbach’s alpha =.98). For the test-retest reliability, ICC values were excellent, ranging from.93 to.99. The discriminant validity results revealed a significant difference between AWS and AWNS (p < .001). Pre- and post-treatment results indicated high internal responsiveness to changes for percentage of syllable stuttered (SS%) (MSR = 1.09).

Conclusion

The Persian version of SGSM (P-SGSM) benefits from the high values for validity and reliability. Furthermore, it distinguishes the AWS and AWNS and reflects the treatment changes significantly.

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波斯语版口吃泛化自我测量工具在成人口吃患者中的心理计量特性

我们的研究旨在将口吃泛化自我测量（SGSM）翻译成波斯语，并调查其在伊朗人群中的有效性、可靠性和内部反应性。这项研究的对象是 30 名口吃成年人（AWS）和 30 名不口吃成年人（AWNS）。国际生活质量评估协议（IQOLA）被用于将 SGSM 翻译成波斯语。确定了面效度和内容效度。此外，还通过比较两组的得分评估了判别效度。此外，还使用克朗巴赫α和类内相关系数（ICC）评估了内部一致性测试-重复测试和评判者之间的可靠性。此外，还利用治疗前后的数据测量了平均标准化反应（MSR）和标准化效应大小，以确定内部反应性。所有项目都易于理解且清晰明了。所有 9 个问题的内容效度比（CVR）和内容效度指数（CVI）分别高于 0.62 和 0.9。内部一致性值很高（Cronbach's alpha =.98）。在重测信度方面，ICC 值在 0.93 至 0.99 之间，表现优异。判别效度结果显示，AWS 和 AWNS 之间存在显著差异（<.001）。治疗前和治疗后的结果表明，口吃音节百分比（SS%）的变化具有较高的内部反应性（MSR = 1.09）。波斯语版本的 SGSM（P-SGSM）具有较高的有效性和可靠性。此外，它还能区分 AWS 和 AWNS，并能显著反映治疗变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Fluency Disorders AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION

CiteScore

3.70

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Fluency Disorders provides comprehensive coverage of clinical, experimental, and theoretical aspects of stuttering, including the latest remediation techniques. As the official journal of the International Fluency Association, the journal features full-length research and clinical reports; methodological, theoretical and philosophical articles; reviews; short communications and much more – all readily accessible and tailored to the needs of the professional.