The human resource department of Inverta Systems Inc. is redesigning its existing new employee orientation program. To ensure that the new orientation program is effective, the company should conduct the orientation:

Question $16$ options:

A$)$

once in every six months for all employees.

B$)$

in brief sessions spread over several days.

C$)$

after an employee has been on a job long enough to appreciate the sessions.

D$)$

as one long session as soon as a new employee joins the organization.