เปรียบเทียบวิธี

	การสัมภาษณ์เชิงลึกผ่านโทรศัพท์	การสำรวจโดยใช้โทรศัพท์
สาขาวิชา	ระเบียบวิธีสำรวจ	ระเบียบวิธีสำรวจ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1980s–1990s (widespread adoption)	1970s (widespread from mid-1970s; Groves & Kahn 1979 seminal text)
ผู้ริเริ่ม	Developed from qualitative interview traditions; telephone variant documented from the 1980s onward	Groves & Kahn (foundational comparative study); CATI systems developed by Charles Cannell and colleagues at University of Michigan
ประเภท	Qualitative data collection technique	Quantitative / mixed-mode data collection
แหล่งต้นตำรับ	Sturges, J. E., & Hanrahan, K. J. (2004). Comparing telephone and face-to-face qualitative interviewing: A research note. Qualitative Research, 4(1), 107–118.	Groves, R. M., & Kahn, R. L. (1979). Surveys by telephone: A national comparison with personal interviews. Academic Press.
ชื่อเรียกอื่น	telephone in-depth interview, phone-based qualitative interview, TIDI, telephone qualitative interview	CATI survey, computer-assisted telephone interview, telephone survey, phone survey
ที่เกี่ยวข้อง	3	5
สรุป	A telephone-assisted in-depth interview is a qualitative data collection method in which a researcher conducts a lengthy, open-ended, exploratory conversation with a participant via telephone. It preserves the depth and flexibility of face-to-face in-depth interviewing while overcoming geographic and mobility barriers, making it particularly useful when participants are dispersed, housebound, or when travel is impractical.	A telephone-assisted survey is a structured data-collection method in which a trained interviewer administers a standardised questionnaire to respondents over the telephone, often supported by Computer-Assisted Telephone Interviewing (CATI) software. It combines the efficiency of remote administration with the response-quality advantages of live interviewer guidance, making it widely used in social, public-health, market-research, and political polling contexts.