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The dimensions of the measure based on the observational study.
| Dimension | Number of items | Interest |
| Trustworthiness | 8 | Trustworthy source |
| Competence | 7 | Content is adequate |
| Interference | 7 | Pop-up windows, advertisement |
| Layout | 7 | Presentation style |
| Textual deficits | 8 | Factor of intelligibility |
| Usability | 4 | Access to the information |
| Suitability | 4 | Implementation of the advice |
