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Decision Support System – Definition, Purpose, Advantages and Disadvantages

December 16, 2022 By Hitesh Bhasin Filed Under: Decision Making

A decision support system (DSS) is a computerized system that supports decision-making in organizations. Decision support systems are typically used to help managers and other decision-makers solve problems by providing them with relevant information, models, and analysis tools.

DSSs are used in a variety of different ways, depending on the specific problem that needs to be solved. For example, a DSS may be used to help plan production levels or track inventory levels. In some cases, a DSS may even be used to make decisions automatically, such as routing phone calls or scheduling employees.

Table of Contents

  • What is a Decision Support System?
  • Understanding a Decision Support System
  • Purpose of a Decision Support System
  • Attributes of a DSS
    • 1. Adaptability and flexibility
    • 2. Ease of use
    • 3. Accuracy
    • 4. Timeliness
    • 5. Support for modeling and analysis
    • 6. Complete control by decision-makers
  • Types of Decision Support System Categories
    • 1. Communication-driven DSS
    • 2. Data-driven DSS
    • 3. Document-driven DSS
    • 4. Knowledge-driven DSS
    • 5. Model-driven DSS
  • Decision Support System Components
    • 1. Knowledge base
    • 2. Software system
    • 3. User interface
  • How to use a Decision Support System
  • Characteristics of a DSS
  • Advantages of Decision Support Systems
  • Disadvantages of Decision Support Systems
  • Examples of Decision Support System
    • 1. Financial Decision Support
    • 2. Marketing Decision Support
    • 3. Sales Decision Support
    • 4. Operational Decision Support
    • 5. Human Resources Decision Support
  • Decision support systems vs. business intelligence systems
  • Decision support system software
  • How to choose a DSS?
    • Conclusion!

What is a Decision Support System?

Definition: A decision support system is defined as a computer program application that analyzes data and presents it in a way that supports decision-making. Decision support systems can be used by humans or by artificial intelligence (AI) agents.

DSSs are usually created to address a specific issue. A DSS analyzes and interprets huge quantities of data in order to provide complete information that may be used to solve issues and make decisions.

Understanding a Decision Support System

A decision support system combines and analyses data to produce comprehensive information reports. A DSS, as an informational application, differs from a regular operations program in that it gathers and analyzes data rather than just collecting it.

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The DSS may be entirely automated or rely on humans. In some situations, it may combine both approaches. Ideal systems should analyze data and make decisions for the user instead of simply providing information. They need to allow human users to make more informed judgments at a faster rate, at the very least.

Some Decision Support Systems are highly complex, while others are quite simple. The level of complexity depends on the specific problem that the DSS is designed to solve. Personal knowledge, internal company data, comparative sales figures, operations-related data, project management, etc are supported by the respective decision support systems.

Purpose of a Decision Support System

Purpose of a Decision Support System

A Decision Support System has many purposes. The main purpose is to aid in the decision-making process by providing relevant information to decision-makers. Decision support systems can be used to solve a variety of different types of problems.

For example, a Decision Support System may be used to:

  1. Help plan production levels
  2. Track inventory levels
  3. Make decisions automatically, such as routing phone calls or scheduling employees

Attributes of a DSS

1. Adaptability and flexibility

Decision support systems need to be adaptable so that they can be used in a variety of different situations. They should also be flexible so that they can be customized to meet the specific needs of a particular organization.

2. Ease of use

Decision support systems should be easy to use so that they can be used by people who are not experts in computer science or data analysis.

3. Accuracy

Decision support systems must be accurate so that they can provide decision-makers with reliable information.

4. Timeliness

Decision support systems must be able to provide information in a timely manner so that decision-makers can make decisions quickly.

5. Support for modeling and analysis

Decision support systems should provide modeling and analysis tools so that decision-makers can test different scenarios and see the potential consequences of their decisions.

6. Complete control by decision-makers

Decision support systems should give decision-makers complete control over the information that they receive and the decisions that are made.

Also Read  Decision Flow Diagram - Definition, Types, Advantages, Disadvantages

Types of Decision Support System Categories

There are several 5 types of classification of Decision Support Systems, including

1. Communication-driven DSS

Internal teams are the most common users of communications-driven DSSs, such as partners. Its goal is to assist with a meeting or enable users to collaborate. The most popular technology for implementing the DSS is a web or client-server. Chat and instant messaging software, as well as online collaboration and net-meeting systems, are some examples of this type of technology.

2. Data-driven DSS

Managers, workers, and product/service suppliers are the most common targets of data-driven DSS. It is used to get specific answers for particular purposes by querying a database or data warehouse. It’s delivered via the main frame system, client/server connection, or the web. Computer-based databases with a query system to evaluate (including the incorporation of data to enhance current databases).

3. Document-driven DSS

Unlike desktop software, document-driven DSSs are more common and aimed at a wide range of users. Such a DSS is used to search the internet pages for items containing particular keywords or search terms. Such DSSs are generally set up via the web or on a client/server architecture.

4. Knowledge-driven DSS

Knowledge-driven DSSs, often known as knowledgebases, are catch-all classifications that include a variety of systems for users inside the organization, but they may also include those interacting with the company – for example, customers. It’s basically used to give management advice or pick items/services. Silent/server systems, the web, and software running on stand-alone PCs are all typical deployment technologies for such systems.

5. Model-driven DSS

DSSs that use models to drive decision-making are sophisticated systems for analyzing choices or selecting alternatives. Managers and personnel of a company, as well as people who deal with the firm, may employ these DSSs for a variety of reasons, depending on how the model is designed – scheduling, decision analyses, and so on. They can be used in stand-alone PCs, client/server platforms, or the internet and are often referred to as software/hardware solutions.

Also Read  Force field analysis

Decision Support System Components

Three key components of decision support systems are

1. Knowledge base

The knowledge base of a Decision Support System contains all the relevant data and information that is required for making decisions. This data can be in the form of rules, cases, heuristics, or any other form of knowledge that can be used to support decision-making.

2. Software system

The software system is responsible for providing the necessary tools and interfaces that are required for accessing and manipulating the data in the knowledge base. This includes things like data mining algorithms, statistical analysis tools, optimization techniques, and so on.

3. User interface

The user interface is what the users of the Decision Support System interact with. It should be designed in such a way that it is easy to use and understand. This includes things like graphical user interfaces, web-based interfaces, and so on.

How to use a Decision Support System

Decision support systems can be used in a variety of ways, depending on the specific system and the needs of the organization. Some decision support systems are designed to be used by a single individual, while others are designed for use by a group. Decision support systems can also be web-based or mobile, which allows for easy access by organizations with different needs.

When using a decision support system, it is important to understand the capabilities of the specific system and how it can best be used to meet the needs of the organization. Decision support systems can be used for a variety of purposes, including marketing, sales, operational, human resources, educational, healthcare, military, environmental, and sustainable development. Each type of decision support system has its own strengths and weaknesses, so it is important to choose the right system for the specific needs of the organization.

Decision support systems are designed to help organizations make better decisions. However, decision support systems are not perfect, and they cannot always provide the best possible solution to a problem. Decision support systems can only provide advice and recommendations based on the data that is input into the system. Decision support systems are not intended to replace human decision-makers, but rather to help them make better decisions.

Also Read  5 ways market segmentation influences decision making

When using a decision support system, it is important to remember that the system is only as good as the data that is input into it. In order for a decision support system to be effective, the data must be accurate and up-to-date. Decision support systems are not intended to replace human judgment, but rather to supplement it.

Characteristics of a DSS

A Decision Support System has several key characteristics which are listed below:

  1. Interactive computer-based systems.
  2. Use data from a variety of sources.
  3. Provide information and advice to decision-makers.
  4. Outputs are tailored to the needs of the decision-maker.
  5. Flexible and can be adapted to changing needs.
  6. Intended to supplement, not replace, human judgment.

Advantages of Decision Support Systems

There are several advantages of using a decision support model management system such as-

  1. Help organizations make better decisions.
  2. Let organizations save time and money.
  3. Enable organizations to improve their performance.
  4. Help organizations make more informed decisions.
  5. Reduce the risk of making incorrect decisions.

Disadvantages of Decision Support Systems

There are several disadvantages of using decision support systems, which are listed below:

  1. Can be expensive to develop and maintain.
  2. They may also be complex and difficult to use.
  3. May require a lot of data to be inputted, which can be time-consuming.
  4. Can be limited by the quality of the data that is inputted.

When deciding whether or not to use a decision support system, it is important to weigh the advantages and disadvantages of the system. Decision support systems can be very beneficial to organizations, but they also have some limitations. It is important to choose the right decision support system for the specific needs of the organization.

Examples of Decision Support System

Examples of Decision Support System

Some of the popular decision support systems used in different types of business models are

1. Financial Decision Support

Decision support systems can be deployed in a number of different ways, including stand-alone applications, web-based systems, and mobile apps. Stand-alone DSSs are typically designed for use by a single individual or group, while web-based and mobile DSSs are designed for use by a larger organization.

Also Read  What is Analytic Hierarchy Process (AHP) and its Benefits?

2. Marketing Decision Support

MDSS is designed to help organizations make better marketing decisions. Such systems typically analyze customer external data, or raw data and market trends to help organizations understand what products or services to offer, how to price them, and where to sell them.

3. Sales Decision Support

Sales Decision Support Systems (SDSS) are designed to help sales organizations make better decisions about their sales strategies. Such sorts of decision support systems are used to collect data, analyze customer data and market trends to help organizations understand what products or services to sell when to sell them, and how to price them.

4. Operational Decision Support

ODSS is designed to help organizations make better decisions about their operations. These types of decision support systems are effective in analyzing data to help organizations understand how to optimize their processes and improve their overall performance.

5. Human Resources Decision Support

HRDSS is designed to help organizations make better decisions about their human resources. They typically analyze data about an organization’s employees, including skills, experience, performance, and compensation data.

In the same way, organizational decision support systems alleviate and automate organizational processes. GPS route planning, clinical decision support system (CDSS), Crop-planning, and ERP (enterprise resource planning) are some of the practical usages of DSS.

Decision support systems vs. business intelligence systems

Decision support systems and business intelligence systems are often confused because they both help organizations make better decisions. However, there are some key differences between these two types of systems. Decision support systems are designed to help organizations make specific decisions, while business intelligence systems are designed to provide organizations with general insights about their business.

Decision support systems are usually more customized and specific to an organization’s needs, while business intelligence systems are usually more general and can be used by any organization. Decision support systems typically use data that is already available within an organization, while business intelligence systems often require the gathering of new data. Finally, decision support systems are usually used by a small group of people within an organization, while business intelligence systems are usually used by a larger group of people.

Also Read  What is the Importance of Decision Making?

Decision support system software

Some of the popular decision support system software are-

  1. QlikView
  2. Information Builders WebFOCUS
  3. Salesforce Analytics Cloud
  4. Powernoodle
  5. Briq
  6. SAP BusinessObjects
  7. TIBCO Spotfire, etc

How to choose a DSS?

Now that we know what Decision Support Systems are, let’s look at how to choose the right one for your organization-

  1. To select a Decision Support System, you should first identify the specific needs of your organization. Once you know what sort of decisions you need to make, you can narrow down your search to Decision Support Systems that are designed to help with those types of decisions.
  2. You should also consider the size of your organization and the amount of data you have available. If you have a large amount of data, you will need a Decision Support System that can handle that amount of data. If you have a small organization, you may not need a Decision Support System that is as complex.
  3. Once you have considered these factors, you can narrow down your search to a few Decision Support Systems that meet your specific needs. From there, you can try the different systems and choose the one that works best for your organization.

Conclusion!

A Decision Support System is a decision-making tool that offers recommendations and solutions to problems based on data analysis. Decision support systems can be used in a variety of different ways, such as GPS routing, clinical decision support, crop planning, and ERP. How important do you think Decision Support Systems are for organizations? Let us know in the comments below!

Liked this post? Check out these detailed articles on Topic of Decision Making

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About Hitesh Bhasin

Hi, I am an MBA and the CEO of Marketing91. I am a Digital Marketer and an Entrepreneur with 12 Years of experience in Business and Marketing. Business is my passion and i have established myself in multiple industries with a focus on sustainable growth. You will generally find me online at the Marketing91 Academy.

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  4. What is Decision Analysis (DA)? Definition, Methods and Importance
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