How to assess the reliability of a questionnaire with questions of both Likert and multiple two or more than two item scale nominal answer choices ?

26 July 2020 0 5K Report

I recently translated a questionnaire in order to evaluate its validity and reliability. This questionnaire contained 6 questions in which some of them have a Likert scale and others have two or more than two item scale nominal answer choices. 150 persons fulfilled it completely.

I wanna know that what method is the best to evaluate the reliability of this questionnaire?

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