Differential item functioning in quality of life measurement: An analysis using anchoring vignettes
نویسندگان
چکیده
منابع مشابه
Differential item functioning in the EQ-5D: An exploratory analysis using anchoring vignettes
Inter-group comparisons using the EQ-5D, or any self-reported measure of health, rely on the measure being an accurate reflection of the true health of the groups or individuals concerned. However, responses to questions on subjective scales, such as those used in the EQ-5D, will be inaccurate if groups of individuals systematically differ in their use of the response categories, a phenomenon k...
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بررسی دلایل عملکرد متفاوت سوالات آزمون درک مطلب به زبان خارجی تاریخچه ی تحقیق درباره ی منابع عملکرد مختلف سوالات (دیف) در آزمون درک مطلب پر است از مجموعه ای از متغیرهای فرضیه ای که چند مورد از مهمترین آنها عبارتند از: جنسیت، آشنایی با موضوع متن، علاقه به موضوع یا محتوای متن، حدس زدن، و عوامل بافت اجتماعی (پی 2004؛ زومبو و گلین 2005). مطالعه حاضر با استناد به فلسفه ی انکارپذیری پوپر عوامل ذکر...
15 صفحه اولDifferential item functioning (DIF) analyses of health-related quality of life instruments using logistic regression
BACKGROUND Differential item functioning (DIF) methods can be used to determine whether different subgroups respond differently to particular items within a health-related quality of life (HRQoL) subscale, after allowing for overall subgroup differences in that scale. This article reviews issues that arise when testing for DIF in HRQoL instruments. We focus on logistic regression methods, which...
متن کاملEthnic differential item functioning in the assessment of quality of life in cancer patients
Over the past two decades, quality of life (QoL) research has become an integral endpoint in clinical trials, yet, regarding its implementation in daily clinical work, much hesitation still abounds. This article discusses how complex psychological processes at work within a patient along with environmental factors act upon each other to form what is finally measured in a QoL score. An extended ...
متن کاملUsing Multiple-Variable Matching to Identify EFL Ecological Sources of Differential Item Functioning
Context is a vague notion with numerous building blocks making language test scores inferences quite convoluted. This study has made use of a model of item responding that has striven to theorize the contextual infrastructure of differential item functioning (DIF) research and help specify the sources of DIF. Two steps were taken in this research: first, to identify DIF by gender grouping via l...
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ژورنال
عنوان ژورنال: Social Science & Medicine
سال: 2017
ISSN: 0277-9536
DOI: 10.1016/j.socscimed.2017.08.033