What types of psychometric assessments are best to identify applicants with the strongest job and organizational fit?

Q AWhat types of psychometric assessments (e.g., personality inventories, cognitive assessments, and integrity tests) are best to identify applicants with the strongest job and organizational fit? Why?
Q BWhen should interviews be used in a multi-hurdle selection process? Are structured interviews best? Why or why not? Do multiple interviewers add validity to the hiring decision? Explain.