방법 비교

	파일럿 테스트 심층 면담	예비조사로 검증된 반구조화 면담
분야	조사방법론	조사방법론
계열	Process / pipeline	Process / pipeline
기원 연도	1990s–2000s (pilot testing of qualitative instruments formalized)	1970s–1980s (as formalised pilot testing of qualitative instruments)
창시자	Rooted in interview methodology tradition; pilot testing practice systematized by Kvale and others	Standard qualitative methods practice; systematised in social research methodology literature
유형	Qualitative data collection technique	Qualitative data collection technique with pre-validation phase
원전	Kvale, S., & Brinkmann, S. (2009). InterViews: Learning the Craft of Qualitative Research Interviewing (2nd ed.). Sage. ISBN: 978-0761925422	Bryman, A. (2016). Social Research Methods (5th ed.). Oxford University Press. ISBN: 9780198714965
별칭	pretested in-depth interview, pilot in-depth interview, pilot-tested IDI, pilot interview protocol	pilot semi-structured interview, pre-tested qualitative interview, pilot interview protocol, trial semi-structured interview
관련	3	4
요약	A pilot-tested in-depth interview is a qualitative data collection approach in which the interview guide is administered to a small number of participants before the main study, specifically to identify ambiguous questions, refine probes, estimate session duration, and verify that the protocol elicits rich, relevant narratives. The revised guide is then used in the full data collection phase, improving data quality and interview consistency.	A pilot-tested semi-structured interview combines the flexibility of semi-structured interviewing — a guide of open-ended questions allowing conversational depth — with a mandatory pre-study pilot phase in which the guide is trialled on a small subset of participants or informants. The pilot reveals ambiguous questions, poor sequencing, and missing topics before the main data collection begins, substantially strengthening the validity and efficiency of the final instrument.