Table 1.
Descriptive statistics of the participants‘ evaluation of the three sensor-based lifelogging technologies.
| Construct | Operationalization | Sensor-Based Technology | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Overall | PIR | H&T | MAG | ||||||
| Min | Max | M | SD | M | SD | M | SD | ||
|
Perception of
Benefits |
Recognizing deviations from normal behavior (e.g., leaving but not returning; wandering at night) ** |
1 | 6 | 4.3 | 1.3 | 4.0 | 1.4 | 4.3 | 1.4 |
| Triggering alarms (e.g., when objects are not closed properly, in emergency situations) ** |
1 | 6 | 4.2 | 1.4 | 4.4 | 1.4 | 4.5 | 1.3 | |
| Automatic reminders (e.g., to ventilate, close doors) ** | 1 | 6 | 3.8 | 1.5 | 4.2 | 1.4 | 4.2 | 1.4 | |
| Increased security (e.g., forgotten pot on the stove) ** | 1 | 6 | 4.3 | 1.4 | 4.8 | 1.2 | 4.2 | 1.5 | |
| Recognition of changes in movement (e.g., due to medication intake) ** |
1 | 6 | 4.2 | 1.2 | 3.9 | 1.4 | 4.1 | 1.3 | |
| Recognition of emergency situations (e.g., being not able to stand up) ** |
1 | 6 | 4.7 | 1.1 | 4.4 | 1.4 | 4.4 | 1.4 | |
| Recognition of emergencies (e.g., falls) ** | 1 | 6 | 4.7 | 1.2 | 4.4 | 1.5 | 4.4 | 1.4 | |
|
Perception of
Barriers |
Feeling of dependence | 1 | 6 | 3.4 | 1.4 | 3.4 | 1.4 | 3.4 | 1.4 |
| Perceived violation of own privacy ** | 1 | 6 | 3.9 | 1.5 | 3.7 | 1.5 | 3.7 | 1.6 | |
| Need for a permanent receiver (=collector) | 1 | 6 | 3.6 | 1.3 | 3.6 | 1.4 | 3.5 | 1.4 | |
| Perceived harmfulness of signals to health | 1 | 6 | 3.1 | 1.4 | 3.0 | 1.4 | 2.9 | 1.4 | |
| Doubts about reliability | 1 | 6 | 3.7 | 1.3 | 3.6 | 1.3 | 3.6 | 1.3 | |
| Unintentionally triggered alarms | 1 | 6 | 3.9 | 1.3 | 3.8 | 1.3 | 3.9 | 1.4 | |
| Unintentional damage/defects of the sensor (e.g., by dropping). |
1 | 6 | 3.5 | 1.3 | 3.5 | 1.3 | 3.5 | 1.3 | |
| Fears of emissions (e.g., noise, light, radio) | 1 | 6 | 3.2 | 1.4 | 3.2 | 1.4 | 3.1 | 1.4 | |
| Feeling of surveillance ** | 1 | 6 | 4.0 | 1.2 | 3.8 | 1.5 | 4.0 | 1.6 | |
|
Acceptance of
Assistive Technology |
I find the use of such sensors useful. * | 1 | 6 | 4.2 | 1.2 | 4.3 | 1.2 | 4.3 | 1.2 |
| I would like to use such sensors in my home. ** | 1 | 6 | 3.3 | 1.4 | 3.5 | 1.4 | 3.5 | 1.4 | |
| I can well imagine the use of the sensors. ** | 1 | 6 | 3.7 | 1.4 | 4.0 | 1.4 | 4.0 | 1.4 | |