In this article, Vern Burkhardt asks Indi about the uses and value of mental model diagrams.
Archives for March 2008
does tower size mean something?
The other day, Douglass Turner asked me a good question. Here’s what he asked: “One thing unexplained in your book is how to interpret relative length of the bars in the mental model diagram. In fact the vertical axis is (oddly) unlabeled. My Tufte instincts recoil in horror and disbelief in an otherwise lovely book. […]
are interviews the only way to build a mental model?
I get many variations on this question, “Are interviews the only way to build a mental model?” The answer is no, interviews are not the only way. There are many sources you can analyze, some of which are even richer than non-directed interviews. Here are some ideas. (Please comment if you have additional sources to […]