After reading the article "What is the Supervisor's Role in Human Resource ManagementLinks to an external site." and viewing the video "Exploring the Legal Side of Screening Job Candidates on Social MediaLinks to an external site." found below, please answer the following in this week's discussion:

1. Discuss the roles of supervisors in the selection process in both small and large organizations.
2. Why do all managers and supervisors need knowledge and skills related to human resource management?
3. Do you think it's reasonable for employers to check job candidates' social media presence as part of the background screening? Why or why not?