From: ServAR: An augmented reality tool to guide the serving of food
 |  | Control (n = 30) | Information only (n = 30) | ServAR tool (n = 30) | ANOVA | ||||
---|---|---|---|---|---|---|---|---|---|
Questionsa | Â | Mean | SD | Mean | SD | Mean | SD | F (2,89) | P |
1. How do you evaluate the following properties of the application: | The app helped me to estimate the size of a standard serve | 2.1 | 1.0 | 1.8 | 1.1 | 1.7 | 1.0 | 1.188 | .310 |
The app worked well | 2.2 | 1.1 | 2.3 | 1.0 | 2.0 | 0.9 | .411 | .664 | |
I found it easy to use the app | 2.5 | 1.3 | 2.4 | 1.2 | 2.1 | 1.1 | .925 | .400 | |
I found it easy to see the real food underneath the portion image overlay | 2.3 | 1.5 | 2.4 | 1.4 | 2.8 | 1.4 | 1.242 | .294 | |
2. How do you assess the potential of the application in everyday life: | The app will be helpful to educate consumers about the standard serve sizes | 1.7 | 0.9 | 1.7 | 1.0 | 1.7 | 1.1 | .011 | .989 |
The app could help people to control their portion sizes | 1.6 | 0.8 | 1.6 | 1.0 | 1.7 | 1.0 | .084 | .919 | |
The app could help people to eat healthier | 2.1 | 0.9 | 2.2 | 1.4 | 1.9 | 1.1 | .366 | .694 | |
3. Which features should an app for portion size education have: | It should tell me the energy/cal (kJ/kcal) content of the portion | 1.8 | 1.3 | 2.0 | 1.5 | 2.0 | 1.4 | .210 | .811 |
It should adjust with the amount served to tell me the portion size | 1.6 | 0.9 | 2.1 | 1.3 | 2.1 | 1.3 | 1.858 | .162 |