系统制导模式的Android锁
We conducted online study to examine how participants create and use patten locks under various policies. We asked participants to create a patten locks under a given policy, fill out a survey, and recall their patten. each day later, we emailed our participants, asking them to return. When they returned, we asked them to recall their pattern again.
You will need the app to participate in the next part of the study and earn bonuses, so don't remove the app before you complete all three parts.