Establishing Criteria of Rigor and Relevance in Interaction Design Research

Establishing Criteria of Rigor and Relevance in Interaction Design Research by Daniel Fallman and Erik Stolterman is a paper about the epistemological underpinnings of interaction design

It looks at ‘disciplinary anxiety’ and what constitutes ‘good research’ in terms of rigor and relevance.  
This diagram shows  the position of a design research activity when placed between three points: design practice, design studies, and design exploration:

 

originally seen in http://nearfuturelaboratory.com/pasta-and-vinegar/