Usability Barriers for Elderly Users in Smartphone App Usage: An Analytical Hierarchical Process-Based Prioritization

Table 14

Local and global ranking of barriers.

S. no.	Barrier	Category	Category priority weight	Priority weight	Local ranking	Global weight	Global ranking
1	BA1	Sensory function	0.513	0.761	1	0.390	1
2	BA2			0.141	2	0.073	4
3	BA3			0.098	3	0.050	6
4	BA4	Cognition	0.168	0.161	4	0.027	12
5	BA5			0.184	2	0.031	10
6	BA6			0.474	1	0.080	3
7	BA7			0.181	3	0.030	11
8	BA8	Motor skill	0.123	0.320	4	0.039	7
9	BA9			0.310	2	0.038	9
10	BA10			0.053	1	0.007	15
11	BA11			0.318	3	0.039	8
12	BA12	Mental mode + financial limitation	0.197	0.262	2	0.052	5
13	BA13			0.132	3	0.026	13
14	BA14			0.096	4	0.019	14
15	BA15			0.510	1	0.100	2