I had the pleasure of meeting Jeff Lash when he visited Austin a couple of weeks ago. Jeff authors the How to Be a Good Product Manager blog . Not to put words in his mouth, but I think Jeff and I share an affinity for the more strategic aspects of product management. I was happy but not surprised to read Jeff's recent entry on qualitative and quantitative research. It looks like he and I agree on the importance of qualitative research and the complementarity of both types of research .