The Main Difference Between PERT and CPM Is That

question 103

Multiple Choice

The main difference between PERT and CPM is that

• A) PERT is more accurate than CPM.
• B) PERT assumes that activity durations are known.
• C) PERT ignores activity costs.
• D) CPM assumes that activity durations can vary.
• E) they differ in terminology and in the construction of the network.

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Definitions:

Content Validity

The extent to which a test measures all aspects of the construct it is supposed to measure.

Construct Validity

A measure of how well a test or tool assesses the construct it claims to measure, indicating the appropriateness of inferences made from test scores.

True Score

The actual score that accurately reflects the variable being measured, without measurement error.

Observed Score

The actual score obtained by a participant on a test or measurement tool.