PMP Definitions: A

Many of the words defined here have broader, and in some cases different, dictionary definitions. In some cases, a single glossary term consists of multiple words (e.g., root cause analysis).

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Definitions: A
Acceptance Criteria A set of conditions that is required to be met before deliverables are accepted.
Accepted Deliverables Products, results, or capabilities produced by a project and validated by the project customer or sponsors as meeting their specified acceptance criteria.
Accuracy Within the quality management system, accuracy is an assessment of correctness
Acquire Resources The process of obtaining team members, facilities, equipment, materials, supplies, and other resources necessary to complete project work.
Acquisition Obtaining human and material resources necessary to perform project activities. Acquisition implies a cost of resources, and is not necessarily financial
Activity A distinct, scheduled portion of work performed during the course of a project.
Activity Attributes Multiple attributes associated with each schedule activity that can be included within the activity list. Activity attributes include activity codes, predecessor activities, successor activities, logical relationships, leads and lags, resource requirements,imposed dates, constraints, and assumptions.
Activity Duration The time in calendar units between the start and finish of a schedule activity. See also duration.
Activity Duration Estimates The quantitative assessments of the likely number of time periods that are required to complete an activity.
Activity List A documented tabulation of schedule activities that shows the activity description, activity identifier, and a sufficiently detailed scope of work description so project team members understand what work is to be performed.
Activity-on-Node (AON) See precedence diagramming method (PDM)
Actual Cost (AC) The realized cost incurred for the work performed on an activity during a specific time period.
Actual Duration The time in calendar units between the actual start date of the schedule activity and either the data date of the project schedule if the schedule activity is in progress or the actual finish date if the schedule activity is complete.
Adaptive Life Cycle A project life cycle that is iterative or incremental.
Affinity Diagrams A technique that allows large numbers of ideas to be classified into groups for review and analysis.
Agreements Any document or communication that defines the initial intentions of a project. This can take the form of a contract, memorandum of understanding (MOU),letters of agreement, verbal agreements, email, etc.
Alternative Analysis A technique used to evaluate identified options in order to select the options or approaches to use to execute and perform the work of the project.
Analogous Estimating A technique for estimating the duration or cost of an activity or a project using historical data from a similar activity or project.
Analytical Techniques Various techniques used to evaluate, analyze, or forecast potential outcomes based on possible variations of project or environmental variables and their relationships with other variables.
Assumption A factor in the planning process that is considered to be true, real, or certain, without proof or demonstration.
Assumption Log A project document used to record all assumptions and constraints throughout the project life cycle.
Attribute Sampling Method of measuring quality that consists of noting the presence (or absence) of some characteristic (attribute) in each of the units under consideration.
Authority The right to apply project resources, expend funds, make decisions, or give approvals.
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