Concept of Quality in Information System

1. CONCEPT OF QUALITY IN INFORMATION
SYSTEM

2. What is “Information”
• “ Information is data that has been processed into a form that is
meaningful to the recipient and of is real or perceived value in current or
prospective actions or decisions”.
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3. • An information system (IS) is any organized system for the collection,
organization, storage and communication of information. More
specifically, it is the study of complementary networks that people and
organizations use to collect, filter, process, create and distribute data.
• Any specific information system aims to support operations, management
and decision-making.
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Data Storage
Data Processing Information
What is Information System?

4. Quality ???
• In manufacturing, a measure of excellence or a state of being free from
defects, deficiencies and significant variations. It is brought about by strict and
consistent commitment to certain standards that achieve uniformity of a
product in order to satisfy specific customer or user requirements.
• ISO 8402-1986 standard defines quality as "the totality of features and
characteristics of a product or service that bears its ability to satisfy stated or
implied needs." If an automobile company finds a defect in one of their cars
and makes a product recall, customer reliability and therefore production will
decrease because trust will be lost in the car's quality.
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5. What is “Quality of Information”
• Information is a vital resource for the success of any organization.
Future of an organization lies in using and disseminating information
wisely. Good quality information placed in right context in right time
tells us about opportunities and problems well in advance.
• Good quality information: Quality is a value that would vary according
to the users and uses of the information.
• The quality of information is determined by how it motivates human
action and contributes to effective decision-making.
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6. Utility of “INFORMATION”
Form Utility
Time Utility
Place Utility
Possession Utility
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7. Dimensions of “Information Quality”
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RELEVANCE
FORMAT
COMPLETENE
SS
ACCESSIBI
LITY
SECURITY
TIMELINESS
ACCURACY
VALIDITY

8. Information Overload
• Information overload is a condition where there is more information than
one can handle. The concept of information overload has been around for
over a century but its impact is being felt in today's times as never before.
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9. Example
NWA QUALITY INFORMATION SYSTEM
• “The NWA QIS has made it easier to get information about the process.
Before, we depended on a spreadsheet, and it was hard to see trends.
Now we have timely access to all our data and with the analytics we
know exactly where we are and can take actions to make the best beer.”
• “NWA Quality Analyst allows us to do things the way we want. It easily
adapts to our changing business needs.
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11. Information Satisfaction
Errors and Bias
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12. Value of Information in Decision-Making
• Decision theory provides approaches for decision-making under
certainty, risk & uncertainty.
• Decision making under certainty assumes perfect information as to
outcomes; risk assumes information as to the probability of each
outcome but not which outcome will occur in any given case; and
uncertainty assumes a knowledge of possible outcomes but no
information as to probabilities.
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