1. Managing Information Systems Enhancing Management Decision Making Part 2 Dr. Stephania Loizidou Himona ACSC 345

2. Dr. S. Loizidou - ACSC3452 Objectives  To understand the characteristics of group decision-support systems  To understand the characteristics of executive-support systems

3. Dr. S. Loizidou - ACSC3453 Group Decision-support Systems  What is a group decision-support system (GDSS)?  How does a GDSS differ from a DSS?

4. Dr. S. Loizidou - ACSC3454 Group Decision-support Systems  An interactive system to facilitate solutions to unstructured problems by a set of decision makers

5. Dr. S. Loizidou - ACSC3455 Group Decision-support Systems  How do we support people making decisions in groups?

6. Dr. S. Loizidou - ACSC3456 Too Many Meetings…  Improved pre-planning –Plan to make meetings effective and efficient  Electronic questionnaires  Office automation systems  Increased participation –Make sure all attendees contribute fully –Reduce occurrences of non-contribution  Networked systems for simultaneous participation

7. Dr. S. Loizidou - ACSC3457 Too Many Meetings…  Open, collaborative atmosphere –Contribution from all levels –No intimidation or judgement from ‘the boss’ –No domination by ‘the boss’  Networked systems provide anonymity  Idea generation free of criticism –No personal criticism  Networked systems provide anonymity

8. Dr. S. Loizidou - ACSC3458 Too Many Meetings…  Evaluation objectivity –Ideas evaluated on merits rather than source  Networked systems provide anonymity  Idea organisation and evaluation –Organising ideas generated –Time constraints –Are the ideas relevant?  Structured tools for submitting ideas

9. Dr. S. Loizidou - ACSC3459 Too Many Meetings…  Setting priorities and decision making –Priorities of discussion –Encompass all ideas of attendees  Networked systems provide anonymity  Documentation of meetings –Sufficient for continuation: minutes, actions –How was the decision made?  Office automation systems, e-mail

10. Dr. S. Loizidou - ACSC34510 Too Many Meetings…  Access to external information (factual) –Provides timely information –Settles factual disagreement  External networking, but does this distract?  Preservation of organisational memory –Non-attendees need to understand the outcomes –Only parts of meeting relevant  Office automation systems, e-mail

11. Dr. S. Loizidou - ACSC34511 GDSS Components  Hardware –Conference facilities: support decision-making –Technology: computers, audiovisual, networks  Software  People –Trained meeting chair –Willingness to participate

12. Dr. S. Loizidou - ACSC34512 Software  Electronic questionnaires –Pre-meeting  Electronic brainstorming tools –Simultaneous and anonymous  Idea organisers –Organising ideas  Questionnaire tools –Support for meeting chair

13. Dr. S. Loizidou - ACSC34513 Software  Voting –Voting, ranking and weighting  Stakeholder identification and analysis –Evaluate proposals and their impact  Policy information –Structured help for wording  Group dictionaries –Group definitions of words and terms

14. Dr. S. Loizidou - ACSC34514 Electronic Meetings  Electronic Meeting Systems (EMS) –Attendees have networked workstations –Meeting chair has console –File server –Projection from console –May be in different locations

15. Dr. S. Loizidou - ACSC34515 Electronic Meetings  Supported by –Office automation systems –Voting systems –Idea collation  Provides –Confidentiality –Anonymity –Simultaneous submission  Helps to solve some of the meeting problems

16. Dr. S. Loizidou - ACSC34516 Executive-support Systems (ESS)  Strategic level information system designed to support unstructured decision making  Designed to be easy-to-use  Bespoke  External and internal data sources

17. Dr. S. Loizidou - ACSC34517 Benefits of ESS  Flexibility –No specific solution models  Current and accurate data  Trend analysis –Analyse, compare and highlight –Traditionally performed by other staff –ESS reduce burden

18. Dr. S. Loizidou - ACSC34518 Coursework  Select a publicly quoted company, and using your research skills, evaluate how they use information systems (IS) in their business model. You should look at how they have used IS in the past, how they use it now and formulate some ideas as to how you think they should use IS in the future.

19. Dr. S. Loizidou - ACSC34519 Coursework  Next lecture: –Each have example target company –Ideas on how to research IS in the company –Ideas on how topics to address from course –Questions