เปรียบเทียบวิธี

	การทฤษฎีฐานรากแบบคลาสสิกที่อิงภาคสนาม	ทฤษฎีฐานรากแบบคลาสสิก
สาขาวิชา	เชิงคุณภาพ	เชิงคุณภาพ
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1967 (Glaser & Strauss); field-based application codified from late 1970s onward	1967
ผู้ริเริ่ม	Barney G. Glaser (classic GT); field-based variant draws on naturalistic inquiry traditions	Barney G. Glaser and Anselm L. Strauss
ประเภท	Qualitative theory-generating design	Qualitative research method
แหล่งต้นตำรับ	Glaser, B. G. (1978). Theoretical Sensitivity: Advances in the Methodology of Grounded Theory. Sociology Press.	Glaser, B. G., & Strauss, A. L. (1967). The Discovery of Grounded Theory: Strategies for Qualitative Research. Aldine.
ชื่อเรียกอื่น	Glaserian grounded theory in naturalistic settings, classic GT field study, field-based GT, naturalistic classic grounded theory	Glaserian GT, CGT, original grounded theory, classic GT
ที่เกี่ยวข้อง	6	6
สรุป	Field-based classic grounded theory applies Barney Glaser's original (Glaserian) grounded theory method within naturalistic, in-situ settings — combining sustained field immersion with the classic GT emphasis on emergence, theoretical sensitivity, and the constant comparative method. The researcher enters the social scene without a predetermined framework, collects data through observation and naturalistic interviews, and allows a substantive theory to surface inductively from the field rather than imposing conceptual structure in advance.	Classic Grounded Theory (CGT) is a systematic qualitative methodology for generating substantive theory from empirical data. Developed by Barney Glaser and Anselm Strauss in 1967, it uses iterative cycles of data collection, constant comparison, and memo writing to produce a core category and surrounding conceptual framework that explains a social or psychological process. Unlike its later variants, Glaserian CGT insists on emergence — theory must arise from data without forcing preconceived frameworks.