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45586
Quality Frameworks
Description
Eng Large Software Systems Mind Map on Quality Frameworks, created by cheekymonky52 on 14/04/2013.
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eng large software systems
eng large software systems
Mind Map by
cheekymonky52
, updated more than 1 year ago
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Created by
cheekymonky52
over 11 years ago
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Resource summary
Quality Frameworks
Six Sigma
Uses statistics to measure the number of defects
Aims to improve the design of processes in order to reduce number of defects
DMAIC and DMADV are two methods that can be followed to improve current processes in order to reduce number of defects
For a company to declare themselves as being six sigma they must produce no more than 3.4 defects per million
Six sigma is the variation away from the mean which is seen as perfection i.e. no defect produced
Not used as much today
Software processes depend on human behaviour which is not predicatble
Software Characteristics are not easily measured quantitavely
Capability Maturity Model
Used to help refine and develop software processes
Describes a five level evolutionary path that processes go through
Each level the process become more optimal and organised
1. Initial
2. Repeatable
3. Defined
4. Managed
5. Optimisation
Data collected is analysed and improvement is fed back into process
Processes are measured quantatively
Therefore success of processes can be predicted quantitavely
Need process control
Standard software process is defined and documented
Successes are consistent
Need process management
Success of processes can be predicted qualitatively
Basic project management techniques have been established
Need to define a standard process
Ad-Hoc
Disorganised
Project is not managed or documented
Need to establish basic management control
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