Why was the application evaluated in the wild rather than in a controlled laboratory setting?

Heuristic evaluation

Activity 1From reading through this paper answer the following:
1. What is the aim of this study

2. What is the study design

3. Why was the application evaluated in the wild rather than in a
controlled laboratory setting?
4. Two types of data are presented from the field study. What does each
contribute to our understanding of the study?