Disclaimer: I just heard about this, I'm in no way affiliated and don't have any more information than that in the link.
Researchers at Arizona State University and associated collaborators are conducting a study called Impact of Cognition on Cyber Behavior that looks at how cyber attackers make decisions over the various phases of a cyber attack.
This is a short (10 minute) anonymous survey for a college group project about tipping. It asks how users tip and also what factors influence that, but it does not ask for things such as name or location. Anyone can take it.