Final answer:
Onboarding, orientation, training, mentoring, and probationary periods are part of post-offer recruitment processes, which is true. Position classification is considered both an art and a science due to varying systems and values, also true.
Step-by-step explanation:
Onboarding a new hire, orientation, training, employee mentoring, and probationary periods are indeed examples of post-offer and ongoing recruitment processes, so the answer to the first statement is true. These processes are essential because they introduce the new employee to the company's culture, provide job-specific training, and set the groundwork for successful integration into the workplace. The probationary period, in particular, serves as a precautionary measure where an employer can assess the suitability of the newly hired employee for the designated role.
When it comes to position classification, it can be seen as an intricate blend of both art and science, due to the involvement of various systems with different values that may change over time. The answer to the second statement is true. It involves subjective judgment as well as objective measures, all of which may evolve as the nature of work and organizational priorities shift