Table 10 User feedback on autobiographical authentication scheme
From: Evaluating smartphone-based dynamic security questions for fallback authentication: a field study
Statement | Call | SMS | Location | App | Music | Battery | Activity | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mode | Med | Mode | Med | Mode | Med | Mode | Med | Mode | Med | Mode | Med | Mode | Med | |
It was easy for me to recall | 4 | 4 | 4 | 3.5 | 5 | 4 | 4 | 4 | 5 | 4 | 5 | 4 | 3 | 3 |
It was easy for my close friends to guess | 1 | 2 | 1 | 2 | 3 | 3 | 3 | 3 | 1 | 3 | 2 | 2 | 2 | 2 |
It was easy for me to guess my close friends’ questions | 1 | 3 | 2 | 2.5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2.5 | 2 | 2 |
It was easy for a stranger to guess | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1.5 | 1 | 1 | 2 | 2 | 1 | 1 |
It was easy for me to guess stranger’s questions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 1 | 1 |