1. What does recruitment and retention mean when related to the use of research

1. What
does recruitment and retention mean when related to the use of research
participants? What role does the target research population play in
reference to recruitment and retention strategies? What are some
possible recruitment and retention challenges a researcher may
experience?2. What is a stakeholder? What are
some specific guidelines for evaluators working with stakeholders or key
personnel within a given agency or department? Please identify any
differences relating to a private security organization or a security
department within a private business.( I need 220 words for each question with references ) Total 440 words