The Telehealth Usability Questionnaire (TUQ) was developed to evaluate the usability of telehealth applications and services. The Turkish validity and reliability study of the scale, originally in English, has not been conducted before.

The aim of this study is to develop the Turkish version of the Telehealth Usability Questionnaire (TUQ), which is a new stability tool, and to report its reliability assessment.

The Telehealth Usability Questionnaire (TUQ) turkish version will be asked by using google forms to participants whom use telehealth.

Inclusion Criteria:

Participants will undergo screening to confirm eligibility, completion of initial screening form, and MMSE evaluation. Study subjects were enrolled with MMSE scores between 29-30, inclusive (healthy/control), 25-28, inclusive (mild cognitive impairment), and 10-24 (dementia).

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Exclusion Criteria:

• Unable to complete computerized and standard pencil-and-paper based assessments

The Turkish validity and reliability of the scale, which was created to evaluate the usability of the telehealth service for service users (patients) and providers (health professional), will be investigated.