Vicky Jones recounts a story where two engineers set up their own consulting business. “These guys did all the CAD work themselves. To them, this commitment to quality is what set them apart from their competition, and they trumpeted this difference on their web site and in all their marketing materials.This engineering firm cared about who does CAD drawings, but its clients didn’t. The first right thing the firm did was try to discover the truth, even though they already thought they knew what it was. The second right thing the firm did was ask questions in a way that would give them useful information.”
Go to the link to see the difference between the right interview questions asked in a qualitative setting which helped uncover the business issue.

In my opinion, it ’s impressive and useful. Thank you.