reliability and validity in a study?

reliability and validity in a study? Answer the following questions 1. How do researchers determine reliability in a study? Describe the major types of each. 2. How do researchers determine validity in a study? Describe the major types of each. 3. As a member of a journal club that is discussing the instructor assigned article in this course, what would you identify as strengths and / or weaknesses of the reliability and validity section of this article? (use uploaded article to answer this question)