world's largest mental health study

See the following -

App Aims to Conduct the World’s Largest Mental Health Study, Reduce Suicides

Ben Lovejoy | 9To5 Mac | October 3, 2016

A project called How is the world feeling? is aiming to use an iOS and Android app to conduct the world’s largest study of mental health over a one-week period starting on October 10. The aim is to gather data from ordinary people to identify patterns in emotions, then to open-source anonymized data to mental health professionals in a bid to devise approaches to reducing suicide rates...

Read More »