Skip to Evaluation Support Scotland content

The Blob Tree

Last Updated: Monday 30 April 2018

The Blob Tree developed by Ian Long and Pip Wilson can be used as an evaluation tool. It has been developed particularly for schools, hospitals, youth workers, psychologists, carers, counsellors and anyone working with people.  It can be used in many different settings. It is copyrighted and you need to purchase it before you use it.  A downloadable copy and license for use can be purchased from the Blob Tree Shop at 


Share this

This site uses cookies. We use cookies to enable key functionality in the site, and to help us learn how you use the site so that we can keep improving it. By using our site you accept our use of cookies. You can learn more or continue.