A Fuzzy Comprehensive Evaluation Study on the Performance of Age-Friendly Digital Retrofit Based on User Experience: Take the “Elder Mode” App as an Example

<div>Scoring trend of index layer indexes.</div>

Mathematical Problems in Engineering

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Figure 2

Figure 2: A Fuzzy Comprehensive Evaluation Study on the Performance of Age-Friendly Digital Retrofit Based on User Experience: Take the “Elder Mode” App as an Example 

Figure 2 | A Fuzzy Comprehensive Evaluation Study on the Performance of Age-Friendly Digital Retrofit Based on User Experience: Take the “Elder Mode” App as an Example 