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Sam is the project manager for his organization. His project is not doing well on project schedule performance, and management wants him to predict how the project schedule and cost will end. Management has asked Sam to report and forecast his project's performance based on the Delphi Method, scenario building, technology forecasting, and to forecast by analogy. What forecasting method is management asking Sam to use?
Correct Answer: A
Explanation/Reference: Explanation: Management is asking Sam to use the judgmental methods to predict how the project will finish on time and cost. The judgmental forecasting method incorporates intuitive judgments, opinions and subjective probability estimates. Some examples of judgmental forecasting are as follows: Composite forecasts Surveys Delphi method Scenario building Technology forecasting Forecast by analogy Incorrect Answers: B: Time series methods of forecasting use earned value management, moving average, extrapolation, linear prediction, trend estimation, and growth curve. C: The causal/econometric methods use linear and non-linear regression, autoregressive moving average, and econometrics. D: The earned value management method is actually a part of the time series forecasting method.