The network below represents a project being analyzed by Critical Path Methods. Activity durations are indicated on the network.
a. Identify the activities on the critical path.
b. What is the duration of the critical path?
c. Calculate the amount of slack time at activity H.
d. If activity I were delayed by ten time units, what would be the impact on the project duration?
Definitions:
Internal Validity
The degree to which a study or experiment accurately establishes a cause-effect relationship without the influence of external factors.
External Validity
The extent to which the results of a study can be generalized to other situations, people, settings, and times.
Experimental Design
The planning of an experiment to ensure that it can test hypotheses effectively and produce valid and reliable results.
Attrition
The loss of participants during the course of a study, which can potentially bias the results.
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