Glossary

# Decision Matrix

A decision matrix is a helpful tool for analyzing complex decision situations and making informed decisions. It involves comparing and weighting criteria and alternatives in a tabular overview. Subsequently, the alternatives are evaluated, which ultimately facilitates the decision-making process. The decision matrix can be used in various contexts, such as in project management, product development, or strategic decision-making processes.

## Decision Matrix - Detailed Explanation

The decision matrix, also known as a decision table or criteria matrix, is an instrument for the systematic evaluation of alternatives based on various criteria. It allows for structuring complex decision situations and making them more transparent. The following sections explain the individual steps for creating a decision matrix, as well as its areas of application and possible limitations.

## Step 1: Selection of Criteria

The first step in creating a decision matrix is to identify the relevant criteria for the decision. The criteria should be clearly defined and measurable. Both quantitative and qualitative criteria can be considered. Examples of criteria include cost, quality, time required, environmental compatibility, or customer satisfaction.

## Step 2: Weighting of Criteria

After the criteria have been established, they must be weighted to illustrate their relative importance to the decision. The weighting can be done, for example, on a scale from 1 (low importance) to 10 (high importance). It is important that the sum of all weightings equals 100% to ensure a meaningful comparison of the alternatives.

## Step 3: Selection of Alternatives

In the next step, the alternatives that should be considered in the decision-making process are identified. Care should be taken to ensure that the alternatives are clearly distinguishable and feasible. Examples of alternatives include different product variants, locations, production methods, or marketing strategies.

## Step 4: Evaluation of Alternatives

The individual alternatives are now evaluated based on the established criteria. This evaluation can be done, for example, on a scale from 1 (poor) to 10 (very good). It is important to conduct as objective an evaluation as possible. When evaluating, it may be helpful to seek expert opinions or rely on empirical values.

## Step 5: Calculation of the Overall Evaluation

The overall evaluation of the alternatives results from the multiplication of the evaluation and weighting of the respective criteria. The results are summed up in the decision matrix. The alternative with the highest overall evaluation is generally the best solution and should be preferred.

## Areas of Application of the Decision Matrix

The decision matrix can be used in various contexts, such as:

• Project management
• Product development
• Strategic decision-making processes
• Resource allocation
• Human resource management

## Advantages of the Decision Matrix

The decision matrix offers the following advantages:

• Structured and transparent decision-making
• Objectivity of decisions
• Traceability of decisions
• Inclusion of expert knowledge and empirical values
• Reduction of decision uncertainty

## Limitations of the Decision Matrix

Despite its advantages, the decision matrix also has some limitations:

• Risk of subjectivity in the weighting and evaluation of criteria
• Dependence on the quality of the underlying information
• Possible neglect of interdependencies between criteria and alternatives
• No consideration of uncertainties and risks

In conclusion, the decision matrix is a useful tool for structured and transparent decision-making. However, when applying it, possible limitations should be taken into account and, if necessary, complementary methods for decision support should be used.