CORE is generally the evaluation tool of choice within the NHS and many other organisations. If you are also thinking about Employee Assistance Programme (EAP) work again CORE is widely used.
The ITA is currently looking at promoting the use of CORE as an aid to being a reflective practitioner and the possibility of providing data towards establishing TA as an evidenced based therapy.
This course will give you a basic understanding and it can assist in promoting your practice.