Consider whether it makes sense for any person from any country of any age to complete your study. List selection restrictions on your sample (e.g., "exclude age >60", "American citizens/residents only"). Also include other study IDs from the pool that should disqualify participants from being assigned to your study. Type "None" if everyone in the world is eligible for your study. See
http://peoplescience.org/node/104 for more information on this item. **For private studies (not in the Project Implicit research pool), enter n/a**