Last night I was browsing Reddit and came across the following post. This provided a very simple and clear infographic concerning the relationship between evidence, theory and knowledge. This is a very important concept for DART. The original poster placed their version in Wikicommons under a CC-BY-SA licence here. I recreated the image from scratch to get over some formatting issues for enhance re-use and re-hosted in the same fashion here and here.

This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. This file is available on Wikimedia Commons courtesy of Anthony Beck http://commons.wikimedia.org/wiki/File:Evidence_And_Theory_01.svg and is based on an original work by Ktr2 http://commons.wikimedia.org/wiki/File:Evidence_and_Theory.svg.