Float or slack refers to:

Question

BlackTom AI · Accepted Answer

The question is asking: Float or slack refers to which concept in project scheduling?

Option 1: 'Ability to move human resources around as the scope of the project requires' - This describes resource levelling or resource smoothing, not float/slack. It is about adjusting who does the work rather than delays in the schedule itself, so this is not the correct definition of float.

Option 2: 'Amount of time a schedule activity may be delayed from its early start without delaying the project finish date' - This precisely matches the standard definition of float (or slack) in project scheduling: the permissible delay for an activity without impacting the overall project finish date. This is the correct interpretation of float.

Option 3: 'Modification of a logical relationship that directs a delay in a successor task' - This describes changes to dependencies or relationships (such as modifying predecessors or constraints), which is about scheduling logic, not about the allowance for delay of an activity. It does not define float.

Option 4: 'Extra resources brought in to use in unanticipated circumstances' - This describes additional resources or contingencies, not float. It relates to risk response or contingency planning rather than the concept of slack.

In summary, the term float/slack specifically measures how long an activity can be delayed without affecting the project completion date, while the other options refer to different scheduling or management concepts such as resource management, dependency modification, or risk contingency rather than float.

Float or slack refers to:单项选择题

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