Appendix U: Paradata and User-Observed Variables for Usability Evaluation
Total time spent each day using FoodLogger
Number of times FoodLogger was opened each day
Number of times FoodLogger was closed by the user (i.e., force close; different than exiting the app)
Total taps at FoodLogger per day
Number of taps at Help button per day
Number of food items entered per day
Number of food items barcode-scanned per day
Number of food items PLU-entered per day
Number of error messages rendered (on which screens)
Content of error messages rendered
Number of changed answers (on which screens)
| File Type | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| Author | Alda G Rivas (CENSUS/CBSM FED) |
| File Modified | 0000-00-00 |
| File Created | 2021-09-14 |