Answer: Factors in the effects of resource contention.
Step-by-step explanation:
Traditional project management is made up of a set of developed techniques that are used for the planning, estimation and the controlling
of activities. Its aim is to achieve the desired goal quickly and within budget. It is typically used for projects whereby the activities are finished in a sequence and doesn't really change.
For critical chain project management, emphasis is placed on the resources that are required to accomplish the project tasks. It sometimes modifies the timeline of the project so that the resources will be levelled up and also emphasis is placed on flexibility.
Therefore, the correct option is "Factors in the effects of resource contention".