Showing posts with label Decision support. Show all posts
Showing posts with label Decision support. Show all posts

Thursday, September 17, 2009

What type of support is needed:

Recognise the nature of the decision.
context?
binary (yes / no)
fuzzy / uncertain
Irreversible
Optimal / satisfactory (see satisficing)


Recognise the importance of the decision.
potential risks / benefits
consequences


Recognise the role and responsibility of the decision-maker.

Recognise the factors which may influence the decision-making process:
decision style,
cognition,
management style,
personality,
and others ...


Recognise the information / data that is needed to support the decision.

Recognise the criteria to be used to choose the optimum (or best) outcome.

How support is provided

If decision-making is a process of choosing among alternatives to achieve a goal …
  • What type of support is needed?
  • How can we provide the support required?

What is decision support?

  • Helping decision-makers make better (?) decisions.
  • Better = ‘better outcomes’ = faster, more reliable, safer, higher chance of success, known consequences, less risk, recordable, etc.
  • Providing tools and resources to maximise the opportunity to make a good decision.
  • Techniques, information, models …
  • Helping decision-makers choose the best (?) alternative from a range of alternatives.
  • Intelligent systems? -- Making the decisions for the decision-makers.

Why do Management Roles need Decision Support?

Decision support = helping managers make better decisions.

  • A wrong decision can have far-reaching consequences.
  • No one person can remember (and recall) everything
  • Frequently some form of calculating will be necessary
  • A decision may be needed urgently
What form of support is needed?

Information that…
  • is accurate
  • is up-to-date
  • is easy to assimilate
  • is relevant
  • has quick and easy access to specific records