Principles of Personnel and Human Resource Management

This is a follow-up question to the question to the: Topic 3: Employee Recruiting and Interviewing. DQ 1 under https://www.homeworkmarket.com/questions/principles-of-personnel-and-human-resource-management

A few follow-up questions: 

(1) Review of applications is a TEST. What criteria will you use to screen candidates? How will you make sure this process is standardized, job-related, and free from adverse impact?
(2) What are the dangers from a disparate treatment claim of using social media to source candidates? Provide an example?
(3) what is an internationally designed interview question?