TACK is a 5-year programme of research that aims to develop and test a new intervention for people with chronic depression. The intervention (called DIALOG+) is delivered via an app (either on a tablet computer or smartphone) and makes use of cutting edge quality of life research, technological developments and therapeutic knowledge to try and improve quality of life for people with long lasting depression.

TACK is funded by the National Institute for Health Research (www.nihr.ac.uk).