FACULTÉ & RECHERCHE

This article discusses a key development in the use of grounded theory (GT) in information systems (IS) – the use of quantitative data in mixed studies to build on and elaborate theories. We examine the design of one of our research projects and describe how this mixed-design GT project helped elaborate emerging theories using slices of qualitative and quantitative data. Our contributions are threefold: (i) we show that the use of mixed data and techniques can be leveraged to help build credible theories in IS because it allows researchers to build theories of greater abstraction and scope: it helps sense-making in the drive from substantive to parsimonious formal theories; (ii) in line with classic GT, we propose a mixed typological design to help build a pathway to formal grounded theories in rupture with existing literature; and (iii) we highlight GT as a meta-theory of research design and revisit some of its main principles in a mixed-design perspective.