How do different decision-making constituencies in an organization use business intelligence , and what is the role of information systems in helping people working in a group make decisions more efficiently?

a. List each of the major decision-making constituencies in an organization and describe the types of decisions each makes.

b. Describe how MIS, DSS, or ESS provides decision support for each of these groups.

c. Define and describe the balanced scorecard method and business performance management.  

d. Define a group decision-support system (GDSS) and explain how it differs from a DSS.