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	Design-Based Transformative Mixed Methods Design	Ricerca basata sulla progettazione
Campo	Disegno della ricerca	Metodi sul campo
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	2000s–2010s	1992
Ideatore	Donna M. Mertens (transformative framework); anchored in design-based research tradition (Brown, Collins, Edelson)	Ann L. Brown and Allan Collins (independently, 1992)
Tipo	Mixed methods research design	Interventionist qualitative-quantitative mixed methodology
Fonte seminale	Mertens, D. M. (2007). Transformative paradigm: Mixed methods and social justice. Journal of Mixed Methods Research, 1(3), 212–225.	Brown, A. L. (1992). Design experiments: Theoretical and methodological challenges in creating complex interventions in classroom settings. Journal of the Learning Sciences, 2(2), 141–178.
Alias	DB-TMMD, transformative design-based mixed methods, design-based transformative inquiry, social justice design-based mixed methods	DBR, design research, design experiment, educational design research
Correlati	2	6
Sintesi	Design-Based Transformative Mixed Methods Design integrates Donna Mertens' transformative paradigm — which foregrounds social justice, equity, and the perspectives of marginalized groups — with the iterative intervention cycles of design-based research. It systematically combines quantitative and qualitative data across successive design-test-refine cycles to both understand and actively improve conditions for underrepresented communities. The approach is prominent in education, public health, and community-engaged research where changing unjust structures is an explicit goal alongside knowledge generation.	Design-based research (DBR) is an iterative, interventionist methodology that simultaneously designs educational interventions and builds theory about how and why those interventions work in authentic, complex settings. Originating in Ann Brown's 1992 classroom experiments and Allan Collins's parallel work, DBR treats the learning environment as both the object of study and the site of theory generation, cycling through design, enactment, analysis, and redesign until both practical improvement and theoretical insight are achieved.