So sánh phương pháp

	Khảo sát Kết quả Giọng nói	Chỉ số Khuyết tật Giọng nói
Lĩnh vực	Tai mũi họng	Bệnh học ngôn ngữ - lời nói
Họ	Process / pipeline	Process / pipeline
Năm ra đời	1997	1997
Người khởi xướng	Bonnie H. Jacobson and colleagues	Jacobson, B. H., et al.
Loại	Self-report	Self-report
Công trình gốc	Jacobson, B. H., Johnson, A., Grywalski, C., Silbergleit, A., Jacobson, G., Benninger, M. S., & Newman, C. W. (1997). The Voice Handicap Index (VHI): Development and validation. Journal of Speech, Language, and Hearing Research, 40(5), 1139-1149.	Jacobson, B. H., Johnson, A., Grywalski, C., Silbergleit, A., Jacobson, G., Benninger, M. S., & Newman, C. W. (1997). The Voice Handicap Index (VHI): Development and Validation. American Journal of Speech-Language Pathology, 6(3), 66–70.
Tên gọi khác	VOS	VHI, VHI-30
Liên quan	1	2
Tóm tắt	The Voice Outcome Survey (VOS), also known as the Voice Handicap Index (VHI), is a 30-item self-report questionnaire assessing the psychosocial, functional, and physical impact of voice disorders on quality of life. Developed by Jacobson and colleagues in 1997, the VOS/VHI has become the standard outcome measure in laryngology and voice pathology for quantifying voice-related disability, monitoring treatment response, and evaluating outcomes following voice therapy or laryngeal surgery.	The Voice Handicap Index (VHI) is a 30-item self-report questionnaire that measures the impact of voice disorders on quality of life and functional communication. Developed by Jacobson and colleagues in 1997, it quantifies the psychosocial, physical, and emotional burden of dysphonia across functional, physical, and emotional domains. Widely used in otolaryngology and speech-language pathology to assess treatment outcomes and monitor disease progression.