Decision Matrixes and Double Bubble Map; Definition and How to Create

The decision matrix, also known as the decision-making matrix, It aids students in selecting and recommending the ideal option when they are faced with two or more alternatives.

How to create a decision matrix

To develop a decision matrix, adhere to the steps below:

1.         List your alternatives.

You must eliminate some potential choices before you can develop your decision-making tool. List at least three alternatives that are comparable.

2.         Define the contributing elements.

The various elements that are significant to you and that will affect your selection should be listed and defined. Learn more about the many brainstorming methods.

3.         Make a grid of decision-making matrixes

Use a template for a decision matrix or draw your own decision grid. At the top of the grid, list each choice in a row. Each element or variable that will affect your choice should be included in a column on the left. Make a grid of empty squares by drawing rows and columns that extend from the bottom of each choice to the top.

4.         Rate each of your considerations.

You can create a form for evaluating criteria by assigning a numerical scaled value to each assessment criterion.Use a narrower rating system with a baseline of one to five, with five being the best, if you have fewer possibilities. If you have a lot of possibilities, you could broaden the scale to, say, one to 10, with ten being the best. Score the contributing elements under each feasible decision.

5.         Give each component more weight.

Add weight in the form of a numerical value to a component if it is more significant than another. Depending on how many possibilities there are, give each option a weighting factor (for instance, between one and three or one and five).

6.         Multiply the weight and rating for each choice.

To generate a decision matrix that is weighted, multiply the factor rate by the additional weight. Do this again for every factor. When the grid is finished, a number should be in each box.

7.         Determine the final score.

Multiply the weighted scores for each choice under each column, and then add them all up. You may make the best choice for your purposes by using the sum to determine a final numerical value for each option.

Double Bubble Map

Objects such as people, events, locations, ideas, and artefacts may all be compared and contrasted using the Double Bubble Map. Two core bubbles that are next to one another at the top contain the two thoughts. The common aspects between the two concepts are then captured by adding bubbles, and the distinctive elements are captured by adding more bubbles to the outside edges of the two original ideas.

How to create a double map?

1.         Select a template and make any necessary changes, or draw two circles in the centre of the left and right sides.

2.         In the two circles, write the names or titles of the items or concepts you wish to compare.

3.         To highlight the similarities between the first two circles, draw circles between them.

4.         Create additional circles outside the previous two to emphasise their distinctions.

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