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	Teoria Ancorata Classica Basata sul Campo	Teoria Ancorata Costruttivista
Campo	Qualitativo	Qualitativo
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1967 (Glaser & Strauss); field-based application codified from late 1970s onward	2000s (Charmaz 2000–2006; classic GT roots 1967)
Ideatore	Barney G. Glaser (classic GT); field-based variant draws on naturalistic inquiry traditions	Kathy Charmaz (building on Glaser & Strauss, 1967)
Tipo	Qualitative theory-generating design	Qualitative research method
Fonte seminale	Glaser, B. G. (1978). Theoretical Sensitivity: Advances in the Methodology of Grounded Theory. Sociology Press.	Charmaz, K. (2006). Constructing Grounded Theory: A Practical Guide Through Qualitative Analysis. Sage. ISBN: 978-0761973539
Alias	Glaserian grounded theory in naturalistic settings, classic GT field study, field-based GT, naturalistic classic grounded theory	CGT, constructivist GT, Charmaz grounded theory, interpretive grounded theory
Correlati	6	6
Sintesi	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.	Constructivist Grounded Theory (CGT) is a qualitative methodology developed by Kathy Charmaz that systematically builds mid-range theory from empirical data through iterative coding, memo-writing, and theoretical sampling. Unlike the original objectivist version by Glaser and Strauss, CGT treats both data and theory as co-constructed between researcher and participants, acknowledging the researcher's interpretive perspective as an integral part of the analytic process rather than a source of bias to be eliminated.