Setting up Standard Lists allows to send surveys to contacts and leads. It is essential to complete this step to send surveys from Standard Lists. Once it's configured, you'll be able to choose contact/leads and also send surveys directly from the details page of the contacts/leads.
1. Click 'Setup'
2. Click 'Customize'
3. Click 'Leads'
4. Click 'Search Layouts'
5. Click 'Edit' next to 'Leads List View'
6. Click 'Add' to move selection to 'Selected Buttons'
7. Click 'Page Layouts'
8. Click 'Edit' next to Lead Layout
9. Click 'Buttons'
10. Drag and drop 'Send Survey Lead' button
11. Click 'Contacts'
12. Click 'Search Layouts'
13. Click 'Edit' next to 'Contacts List View'
14. Move 'Send Survey' button from the 'Available Buttons' to 'Selected Buttons' column and click 'Save'
15. Click 'Page Layout'
16. Click 'Edit' next to Contact Layout
17. Click 'Buttons'
18. Drag and drop 'Send Survey' button
19. Click 'Cases'
20. Click 'Page Layouts'
21. Click 'Edit'
22. Click 'Buttons'
23. Drag and drop 'Send Survey' to Custom Buttons
Don't forget to set up Sites if you want to send surveys to people outside your Org.