A nice guide for assessing the degree to which a clinical trial is pragmatic. It uses a nine item scale that is intuitive and easy to apply. There is also a website that discussed this toolkit.
Kirsty Loudon, Shaun Treweek, Frank Sullivan, Gordon F Cheesbrough, Peter Donnan, Kevin E Thorpe, Merrick Zwarenstein. The PRECIS-2 tool: designing trials that are fit for purpose. Available in html format or pdf format.