The Strange World of Decision Making

Discussion on Decision Making
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Vision:
Decisions will be made differently and much better, when their makers understand and apply long proven methods and avoid common traps.

This page contains:
- The Paradox of Committee Decisions
- The Sunk Cost Dilemma
- Project Selection - a Pitfall
- The Secrets of Net Present Value Projection
- It takes Three to make good Estimates

How Decision Making can go wrong

The Paradox of Committee Decisions
How to avoid traveling to Abilene

Reading time: app. 15min.
Summary: Instead of improving decision making, too much respect and regardfulness may lead to poor decisions when ruling is done by a committee.
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The Sunk Cost Dilemma
1-player game theory helps understanding why projects run into troubles

Reading time: app. 25min.
Summary: The Sunk Cost Dilemma describes a game theory situation in a 1-player game, where the sum of a sequence of good decisions is one big bad decision.
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Free download of Occam's Tree as a Trial and ViewerProject Selection - a Pitfall
Are we running the best possible project portfolio?

Reading time: app. 5min.
Summary: Ensuring that the right project portfolio is selected and that work will be done in the right order, with appropriate priorities and with objectives aligned with the corporate objectives ensures that the best is made from the resources available
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Numeric Decision Support Methods

The Secrets of Net Present Value Projection
Application for different project types and how to use NPV data in Occam's Tree

Reading time: app. 40min.
Summary: Net Present Value forecasts are one of the most common techniques of investment/project selection against constraints like budgets or other resources.

The function in Occam's Tree to Edit Payoff (Advanced) and then to link to named cells in Microsoft Excel allows complex optimizations along both simple and complex Net Present Value forecasts. It even supports project selection against a pre-defined budget.

A set of templates has been developed to support users using this function.
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It takes Three to make good Estimates
Securing from the Sunk Cost Dilemma and other estimating problems by improved estimating and applying the technique in Occam's Tree

Reading time: app. 20 min.
Summary: 3-point estimation assumes that there is uncertainty on costs, efforts and duration.

This uncertainty can not be handled by the traditional single estimation point.
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