Table 4 List of question types along with their corresponding question format, score calculation and existence of distractors
From: Evaluating smartphone-based dynamic security questions for fallback authentication: a field study
Question type | Question format | Score calculation | Distractors |
|---|---|---|---|
Call | Open-ended | Jaro-Winkler [38] see "Score calculation for communication questions" section | ✗ |
SMS | Open-ended | Jaro-Winkler [38] see "Score calculation for communication questions" section | ✗ |
Location | Open-ended | Haversine [34] see "Score calculation for location questions" section | ✗ |
Application | Multiple-choice | Eq. 1 see "Score calculation for app usage and music questions" section | ✓ |
Music | Multiple-choice | Eq. 1 see "Score calculation for app usage and music questions" section | ✓ |
Activity | Multiple-choice and time selection | Eq. 2 see "Score calculation for activity and battery charging questions" section | ✗ |
Battery | Multiple-choice and time selection | Eq. 2 see "Score calculation for activity and battery charging questions" section | ✗ |