On his first day on the job, Calvin was assigned a mentor. His mentor's job was to introduce him to the other members of the office, and meet him for lunch once a week for the first three months that he was on the job to ensure Calvin was learning what to do and how to do it in their organizational culture. The mentor's job was to help Calvin through which process?

Organizational assimilation

Explanation:

Based on the scenario being described it can be said that the mentor's job was to help Calvin through process known as Organizational assimilation. This term refers to a process in which new individuals that become part of an organization are adopted into the organizational culture. Which is what Calvin's mentor's job is by showing Calvin  what to do and how to do it, which encompasses what the organizational culture is.

i'll just take the points xd

you so !