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Defect Management
Severity vs Priority Defect
Learning Outcome
5
Analyze real-time defect scenarios
4
Identify different Priority level
3
Identify different Severity levels
2
Differentiate between Severity and Priority
1
Understand Severity and Priority clearly
6
Decide Severity and Priority for given examples
Recall
What is Software Testing?
What is Bug Life Cycle?
What is a Defect / Bug?
What is SDLC?
What is Defect Management Process?
What is STLC?
Imagine a Hospital Scenario
- Severity = How serious the patient’s medical condition is
- Priority = How quickly the doctor must attend the patient
Patient with heart attack
- Severity: The condition is life-threatening and critical
- Priority: Immediate treatment is required without delay
(Serious problem + Urgent action)
Patient with high fever
- Severity: The condition affects health but is not life-threatening
- Priority: Should be treated soon, but not before critical cases
(Moderate problem + Moderate urgency)
Small cut on finger
- Severity: Very minor health impact
- Priority: Can wait; no immediate attention required
(Minor problem + Low urgency)
VIP patient with minor cold
- Severity: The medical condition is not serious.
- Priority: Doctor may attend quickly due to importance of the patient (business/social reason)
(Minor problem + High urgency due to external importance)
Priority is about urgency of fixing the problem
A problem can be less severe but still high priority
Decision of Severity is based on impact
Decision of Priority is based on importance and urgency
Severity is about impact of the problem
Conclusion from Analogy
What is Severity?
Degree of impact on the system
Decided by Tester
Technical perspective
Related to functionality
What is Priority?
Order in which defect should be fixed
Related to business needs
Decided by Manager/Client
Business perspective
Severity Levels and Priority Levels
4. Low Severity
3. Medium Severity
2. High Severity
1.Critical Severity
3. Low Priority
2. Medium Priority
1. High Priority
Severity levels are:
Priority levels are:
Severity vs Priority
Severity
Priority
How serious the defect is
How soon it should be fixed
Technical impact
Business urgency
Summary
5
A defect can be high severity but low priority
4
Priority is decided based on business urgency
3
Severity is decided based on technical impact
2
Priority refers to the urgency to fix the defect
1
Severity refers to the impact of the defect on the application
6
A defect can be low severity but high priority
7
Both are important for effective defect management
Quiz
Priority is mainly decided by:
A. Tester only
B. Developer only
C. Business/Management
D. End User
Quiz-Answer
Priority is mainly decided by:
A. Tester only
B. Developer only
C. Business/Management
D. End User
Severity vs Priority
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