เปรียบเทียบวิธี

	ทฤษฎีฐานรากภาคสนาม	การวิเคราะห์แก่นสาระ
สาขาวิชา	เชิงคุณภาพ	การวิจัยเชิงคุณภาพ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1967 (original GT); field-based variant developed through 1980s–2000s	2006
ผู้ริเริ่ม	Kathy Charmaz (constructivist extension); Barney Glaser & Anselm Strauss (original grounded theory)	Virginia Braun and Victoria Clarke
ประเภท	Qualitative research design and analysis approach	Method
แหล่งต้นตำรับ	Charmaz, K. (2006). Constructing Grounded Theory: A Practical Guide through Qualitative Analysis. Sage. ISBN: 978-0761973539	Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101.
ชื่อเรียกอื่น	constructivist grounded theory, ethnographic grounded theory, situational grounded theory, field grounded theory	TA, Reflexive Thematic Analysis
ที่เกี่ยวข้อง	6	3
สรุป	Field-based grounded theory integrates sustained fieldwork — participant observation, field notes, and naturalistic data collection — with the iterative coding and theoretical sampling procedures of classic grounded theory. Where standard grounded theory typically relies on interview transcripts, the field-based variant anchors theory generation in direct, prolonged observation of naturally occurring social processes in context. The result is a substantive theory that is grounded in both what people say and what they actually do in their everyday settings.	Thematic Analysis (TA) is a qualitative research methodology for identifying, analyzing, and reporting patterns (themes) in qualitative data. Developed systematically by Virginia Braun and Victoria Clarke (2006), TA is flexible and accessible, applicable across diverse theoretical frameworks and data types, making it one of the most widely used qualitative methods in psychology, health research, and social sciences.