Laudon

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15. ENHANCING MANAGEMENT DECISION MAKING
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CONTENTS

• DECISION-SUPPORT SYSTEMS
• GROUP DECISION-SUPPORT SYSTEMS
• EXECUTIVE SUPPORT SYSTEMS

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DECISION SUPPORT SYSTEMS (DSS)

• MANAGEMENT LEVEL COMPUTER SYSTEM THAT COMBINES
  DATA, MODELS, USER - FRIENDLY SOFTWARE FOR
  SEMISTRUCTURED UNSTRUCTURED DECISION MAKING

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DECISION SUPPORT SYSTEM
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DECISION SUPPORT SYSTEM

• TPS transaction processing system
• MODEL representation of a problem
• OLAP on-line analytical processing
• USER INTERFACE how user enters problem
  receives answers
• DSS DATABASE current data from applications or
  groups

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DECISION SUPPORT SYSTEM

• DATA MINING technology for finding relationships
  in large data bases for prediction
• DSS SOFTWARE SYSTEM tools for data analysis
• SENSITIVITY ANALYSIS what-if questions about
  changes in model factors

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DECISION SUPPORT SYSTEM EXAMPLES

• MANUFACTURING RESOURCE PLANNING (MRPII)
  Production scheduling, purchasing, material
• GEOGRAPHIC INFORMATION SYSTEM (GIS) Software to
  display digital maps
• CUSTOMER DSS (CDSS) system supports buying
  decisions of customers

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BIBLIOGRAFIA

• Data Warehousing Architecture and
  Implementation
• Autores Mark Humphries, Michael Hawkins,
  Michelle Dy
• Ed. Prentice-Hall

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GROUP DECISION-SUPPORT SYSTEM (GDSS)

• INTERACTIVE COMPUTER-BASED SYSTEM THAT
  FACILITATES SOLUTION OF UNSTRUCTURED PROBLEMS BY
  DECISION MAKERS WORKING AS GROUP

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TOOLS OF GDSS

• ELECTRONIC QUESTIONNAIRES
• ELECTRONIC BRAINSTORMING
• IDEA ORGANIZERS
• QUESTIONNAIRE TOOLS
• TOOLS FOR VOTING OR SETTING PRIORITIES

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TOOLS OF GDSS

• STAKEHOLDER IDENTIFICATION ANALYSIS TOOLS
• POLICY FORMATION TOOLS
• GROUP DICTIONARIES

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ELECTRONIC MEETING SYSTEM (EMS)

• COLLABORATIVE GDSS THAT USES INFORMATION
  TECHNOLOGY TO MAKE GROUP MEETINGS MORE PRODUCTIVE
  BY FACILITATING COMMUNICATION AS WELL AS DECISION
  MAKING

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HOW GDSS ENHANCED DECISION MAKING

• IMPROVED PRE-PLANNING
• INCREASED PARTICIPATION
• OPEN, COLLABORATIVE ATMOSPHERE
• IDEA GENERATION FREE OF CRITICISM
• EVALUATION OBJECTIVITY
• IDEA ORGANIZATION EVALUATION

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HOW GDSS ENHANCED DECISION MAKING

• SETTING PRIORITIES MAKING DECISIONS
• DOCUMENTATION OF MEETINGS
• ACCESS TO EXTERNAL INFORMATION
• PRESERVATION OF ORGANIZATIONAL MEMORY

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EXECUTIVE SUPPORT SYSTEMS (ESS)

• INFORMATION SYSTEM AT THE STRATEGIC LEVEL OF AN
  ORGANIZATION DESIGNED FOR UNSTRUCTURED DECISION
  MAKING THROUGH ADVANCED GRAPHICS AND
  COMMUNICATIONS

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EXECUTIVE SUPPORT SYSTEMS (ESS)

• BRIEFING BOOKS Fixed format reports for
  executives
• DRILL DOWN ability to move from summary to lower
  levels of detail
• Designed for specific needs of CEO
• Extensive support staff
• Executive has 24 hour per day ability to examine,
  control progress throughout organization

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EXECUTIVE SUPPORT SYSTEMS (ESS)

• BENEFITS
• FLEXIBILITY
• ABILITY TO ANALYZE, COMPARE AND HIGHLIGHT TRENDS
• GRAPHICS HELP EXPLORE SITUATION
• MONITOR PERFORMANCE
• TIMELINESS AND AVAILABILITY OF DATA ALLOWS PROMPT
  ACTION

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15. ENHANCING MANAGEMENT DECISION MAKING