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Decision Support Systems (DSS): Empowering Smart Decision Making

Explore the philosophy, characteristics, components, and benefits of DSS, including group decision support systems (GDSS) with examples. Discuss how DSS aids decision makers, offering quick responses, optimization, and flexibility.

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Decision Support Systems (DSS): Empowering Smart Decision Making

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  1. Chapter 9 Decision Support Systems

  2. Agenda • DSS • DSS Components • Other Types of DSS • Group DSS

  3. DSS Sprague / Carlson: “Computer-based system that helps the decision maker confront ill-structured problems through direct interaction with data and analysis models.”

  4. DSS Philosophy • Aid decision maker • Not replace (ES) • Decision maker remains in control • Not always best decision • Change / flexibility • Quick response

  5. DSS Characteristics • Large amounts of data • Different data sources • Tailored to decision maker: • judgment • knowledge • intuition • style • personal traits

  6. DSS Characteristics • Graphically oriented • Optimize / heuristics • “What if”(sensitivity) analysis • Goal-seeking analysis • Unstructured problems

  7. Agenda • DSS • DSS Components • Other Types of DSS • Group DSS

  8. DSS Major Components • Database • DSS software • Graphical interface • Model base • Decision maker

  9. Model Base • Financial • Statistical Analysis • Management Science • Operations research

  10. Financial Models • Cash Flow • Return on investment • Portfolio Analysis • Stock market • Advertising

  11. Statistical Analysis • Descriptive (summary) • Trend projection • Hypothesis testing • Regression analysis

  12. Management Science • Inventory • Queuing (Line) • Network

  13. Agenda • DSS • DSS Components • Other Types of DSS • Group DSS

  14. Other Types of DSS • Executive information System (EIS) • Timely information • Direct access by users • Executive support system (ESS) • Analysis support • Communication • Office automation • Intelligence (automation)

  15. Other Types of DSS • Online analytical processing • Analytical tools • Database • Simulation • Math models • Experiments under different circumstance • Visual interactive model (VIM) • Visual interactive simulation (VIS)

  16. DSS Examples • Kmart • Price evaluation • Southern Railway • Train dispatching and forecasting • Texas Oil & Gas • Potential drilling sites

  17. Agenda • DSS • DSS Components • Other Types of DSS • Group DSS

  18. Group Decision Support System (GDSS) Interactive computer-based system facilitating solution of unstructured problems by a set of decision makers working together as a group.

  19. GDSS Components • Database • Model base • GDSS processor • Groupware • Dialogue manager • Users

  20. GDSS Benefits • Group meeting efficiency • Quality of decisions • Alternatives examined • Participation / contribution • Those who would otherwise be silent • Better decision outcomes

  21. Points to Remember • DSS • DSS Components • Other Types of DSS • Group DSS

  22. Discussion Questions • Does your organization use DSS? • How? • How could your organization use a DSS? • What problems do you see with DSS? • GDSS is based on the assumption that anonymity is desired. How important is anonymity in groups? • at work? • in class?

  23. Assignment • Review chapters 7-9 • Read chapter 10, chapters 2-3 (Morrison) • Group assignment • Research paper

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