An End User Development Approach for Mobile Web Augmentation

Table 4

Difficulty perceived by participants by tasks.

	Task	Average by users	Standard deviation	Rounded	Matching category
a	Installing the extension	1.40	0.60	1	Very easy
b	Setting up the app (name, augmentation strategy, sensor)	1.53	0.61	2	Easy
c	Setting up the context type representation	1.84	0.76	2	Easy
d	Defining context values of interest and their digital counterpart	2.58	0.84	3	Regular
e	Configuring augmenters (average of the grades for each augmenter)	2.66	0.86	3	Regular
f	Exporting the application	1.39	0.50	1	Very easy