In organizational socialization, the phase happens once the employee understands her/his work role and now must master the necessary skills and tasks and learn to adjust to the work group's values and norms.

The answer is the change and acquisition phase.

Explanation:

The acquisition phase consists of a change in which the individual can perform a new skill after he or she could not perform it. However, he or she can only perform it with assistance. This period occurs when the learner cannot respond properly when he or she doesn't have any kind of assistance.

The end of this phase is when the learner can perform a new skill  independently. It means that he or she can do it without any kind of assistance. When a learner can respond properly without any kind of assistance we could say that he or she is at the independence level.    

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