What's the most important psychology experiment that's never been done ?

1. Watching death, by Susan Blackmore
2. Reducing prejudice and discriminatory behaviour, by Pam Maras
3. Caring for psychotic patients with maximum kindness and minimum medication, by Richard Bentall
4. Personal psychology experiments, by Will Meek
5. Can psychology save the world? by Scott O Lilienfeld
6. Why is learning slow? by Richard L Gregory
7. Switching the parents around, by Judith Rich Harris
8. Expanding the frontiers of human cognition, by Chris Chatham
9. Testing foetal cognition, by Annette Karmiloff-Smith
10. Hiring private detectives to investigate paranoid delusions, by Vaughan Bell
11. Challenging the conclusions drawn from Zimbardo's Stanford Prison Experiment, by Alex Haslam
12. The Truman Show experiment, by Jeremy Dean
13. Changing the focus of psychotherapy to what is good in your life, by Martin Seligman