Review Article
Usability Barriers for Elderly Users in Smartphone App Usage: An Analytical Hierarchical Process-Based Prioritization
Table 4
Articles’ selection using the tollgate approach.
| Databases | Ph1 | Ph2 | Ph3 | Ph4 | Ph5 |
| ACM digital library | 831 | 250 | 119 | 17 | 15 | IEEE Explorer | 585 | 160 | 24 | 12 | 8 | Science Direct | 341 | 205 | 164 | 35 | 12 | Google Scholar | 33 | 29 | 21 | 21 | 15 | Springer | 140 | 70 | 72 | 5 | 3 | Total papers | 1930 | 714 | 400 | 90 | 53 |
|
|