The decision‐making process involves the following steps:
1. Identifying a Problem
The first step in making a decision or solving a problem is to define it. This first step is one of the most critical ones. You have to accurately and adequately define the constraints, the current operations, and the goals.
An example problem: John is a senior manager in
Manufacturing Department of Auto-mobile Company whose department needs brand
new car models for their show room because the old ones needs to be re modeled
and re constructed because of severe manufacturing defects.
But there is a difference within his department that which
models should be chosen for the new cars or not to develop the new ones and
just rebuild the old models.
2. Identifying Decision Criteria
Decision Criteria are factors which are important for resolving the problem. They may include investments required, chance of failure, growth of the firm etc.
In the above example, John decides that battery control
system, Tire rims, Engine system, Speedometer, Wire Connector and Brake plates
are relevant criteria in his decision.
3. Allocating Weights to the Criteria
Decision Criteria are not of equal precedence and they should be prioritized by assigning weight in an order according to their importance.
In my problem, the decision criteria are allocated weights
in this order.
Decision Criteria
|
Weights
|
Engine System
|
10
|
Tire rims
|
9
|
Battery Control System
|
8
|
Brake plates
|
6
|
Wire Connector
|
4
|
4. Developing Alternatives
In this step, certain alternatives are listed that can resolve the problem.
Engine System
|
Tire Rims
|
Battery Control System
|
Brake plates
|
Wire Connector
|
|
BMW
|
10
|
8
|
9
|
10
|
8
|
Atlas Honda
|
8
|
9
|
7
|
3
|
5
|
Hyundri
|
8
|
8
|
7
|
8
|
9
|
Suzuki
|
7
|
6
|
3
|
7
|
5
|
Toyota
|
4
|
9
|
6
|
10
|
3
|
5. Analyzing Alternative
Engine System
|
Tire Rims
|
Battery Control System
|
Brake plates
|
Wire Connector
|
|
BMW
|
100
|
85
|
92
|
100
|
85
|
Atlas Honda
|
84
|
95
|
74
|
38
|
50
|
Hyundri
|
86
|
82
|
75
|
85
|
98
|
Suzuki
|
70
|
65
|
30
|
78
|
55
|
Toyota
|
49
|
90
|
60
|
100
|
37
|
6. Selecting an Alternative
In this step, the best alternative which has the highest weights out of all is chosen. After selecting an alternative it is implemented in the next step.
In the above problem, BMW is the best alternative to be selected
because it has the highest total of weights.
7. Implementing the Alternative
The alternative which has been selected as the best one is implemented and it is put into action. The final decision is sent to those who will carry out the alternative.
For example, the decision of alternative to be implemented
(BMW) is conveyed by John to the project team of the manufacturing department.
8. Evaluating Decision Effectiveness
At the end, the effectiveness and soundness of the implemented decision is judged by its outcome. Evaluating that how the problem is resolved by outcomes resulting from the chosen alternative.
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