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Characteristics of good information

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by

Ben Holding

on 16 September 2015

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Transcript of Characteristics of good information

Unit 3 - Information systems
Objectives
At the end of this session you be able to:

Understand how to transform data into information using suitable formats
State at least one characteristic of good information
To be able to create a questionnaire

Characteristics of good information
Recap
At the end of this session you be able to:

State the difference between Qualitative and quantitative information.
State the difference between primary and secondary data
Identify one source of internal information for an organisation
Identify one source of external information for an organisation

Transformation of data into information
Storage
Data is kept for the longer term (eg hard drive, flash drive, central server).
Prior to the introduction of computers this was held on paper for use in manual systems.

Processing and manipulation
Input data is turned into information ready for output.
At its simplest form, this may just be the calculation of totals or averages, at it’s most complex it may be 90% of the system eg production of weather maps from data readings.

Retrieval
The required information is brought back from the computers storage.

Presentation
The information is output or presented in the way the user wants to see it. It can have graphics, text or both.
It is most likely to be presented on a VDU or printer.


Founded in truth
Sufficient strength of argument
Valid
Is the source of the information trustworthy.
Consistently good in quality or performance; able to be trusted.
Reliable
Do you want it good or do you want it Monday?
Nevertheless, in business information must be on time
Penalty clauses

Timely
What is the purpose of the information?
Who is it for?
Fit for purpose
How easy is it to access the information.
The time, money and effort spent on accessing information might outweigh the benefits
Accessible
Cost-effectively gathered – cost of capture and production should be less than the benefits from decisions made using the information.

Cost-effectively
to enable you to buy a car, capital, monthly income, monthly expenditure, expected running costs. (But may not need to be exact)

Sufficiently accurate
is the information relevant to the decisions that need to be made

Relevant
Having right level of detail- enough detail – but no more. Cost of running a house, do you take it down to buying a stamp?
Having right level of detail
From a source in which the user has confidence
From a source in which the user has confidence – reliable, believable source.
share buying – advice for public is less detailed than that presented to financial analysts.

Understandable by the user
Characteristics of good information
Lecturer: Ben Holding
Email: ben.holding@cityofbristol.ac.uk
Gmail: ben.holding.cobc@gmail.com
Twitter: benholding2
Skype: ben.holding1

Brain, Book/Buddy, Boss
Listening Exercise 1
Listening Exercise 2
Collecting Data - Questionnaires
Full transcript