INTERPERSONAL ROLES INFORMATIONAL ROLES DECISION ROLES
INTERPERSONAL ROLES FIGUREHEAD LEADER LIAISON
INFORMATIONAL ROLES MONITOR DISSEMINATOR SPOKESPERSON
DECISION ROLES ENTREPRENEUR PROBLEM SOLVER RESOURCE ALLOCATOR NEGOTIATOR
Our discussion of IT decision support deals with 3 basic questions : 1. Why do managers need IT support in making decisions? 2. To what extent can a manager’s job be automated? 3. What IT tools are available to support managers? DECISION SUPPORT TOOLS
Trends that make in decision making : There are too many alternatives, scenarios and risks to consider Many decisions must be made under time pressure Due to increased fluctuations and uncertainty in the decision environment, it is frequently necessary to conduct a sophisticated analysis.
Trends that make in decision making : Decision making frequently requires an organization to conduct a forecast of prices, market share and so on. Reliable requires analytical & statistical tools. Decision makers can be in different locations as can the information. Bringing them all together quickly and inexpensively may be a difficult task
Can examine numerous alternatives very quickly Supports forecasting Provide systematic risk analysis Be integrated with communication systems & databases Support group work
Automation of certain tasks can save time, increase consistency and enable better decisions to be made. The more tasks we can automate, the better. But even if we completely automate their decisional role, we cannot automate their jobs. Can the Manager’s Job Be Fully Automated
DSS (Decision Support System) - Provide support primarily to analytical, quantitative types of decisions. Executive (Enterprise) Support System - To support the information roles of executives Group Decision Support System (GDSS) - Support managers and staff working in groups remotely and closely What ITs Are Available to Support Manager
Decision support system (DSS) - an organized collection of people, procedures, software, databases, and devices working to support managerial decision making Group decision support system (GDSS) - also called a computerized collaborative work system, consists of most of the elements in a DSS, plus software needed to provide effective support in group decision-making settings Executive support systems (ESSs) - specialized decision support systems designed to meet the needs of senior management