|
| Target layer | Criterion layer | Weight | Index layer | Weight | Combination weight |
|
| Age-friendly digital retrofit for user experience (U) | Age-friendly indicators of visual experience (U1) | 0.3637 | Color matching meets user preferences (U11) | 0.1758 | 0.0517 |
| Font size meets user reading needs (U12) | 0.3036 | 0.0638 |
| Font style meets user reading habits (U13) | 0.1185 | 0.0522 |
| Icon layout is reasonable and orderly (U14) | 0.0744 | 0.0462 |
| Interface element structure is hierarchical (U15) | 0.3277 | 0.0576 |
| Age-friendly indicators of interaction experience (U2) | 0.3267 | Convenience of handwritten interaction (U21) | 0.3439 | 0.0538 |
| Convenience of voice interaction (U22) | 0.1316 | 0.0357 |
| Error recovery capability (U23) | 0.1510 | 0.0409 |
| Interaction fault tolerance (U24) | 0.0992 | 0.0296 |
| Error operation correction capability (U25) | 0.2209 | 0.0428 |
| Provision of misoperation guidance measures (U26) | 0.0534 | 0.0269 |
| Age-friendly indicators of behavioral experience (U3) | 0.1623 | Shallow structured navigation hierarchy (U31) | 0.0956 | 0.0256 |
| Intuitive navigation layout (U32) | 0.0752 | 0.0142 |
| Physical navigation icons (U33) | 0.1724 | 0.0390 |
| Indicator-like navigation cues (U34) | 0.1628 | 0.0323 |
| Tactile navigation buttons (U35) | 0.3556 | 0.0564 |
| Highly fault-tolerant navigation buttons (U36) | 0.1384 | 0.0334 |
| Age-friendly indicators of value experience (U4) | 0.1473 | Feeling pleasant to use (U41) | 0.2670 | 0.0627 |
| Satisfying social needs (U42) | 0.1825 | 0.0361 |
| Contributing to emotional health (U43) | 0.1354 | 0.0465 |
| Self-fulfillment (U44) | 0.1268 | 0.0488 |
| Reducing loneliness (U45) | 0.1430 | 0.0547 |
| Enhancing the sense of belonging (U46) | 0.1453 | 0.0491 |
|
