Errors vs Defects vs Failures | Root Cause Explained for Software Testers
In software testing, the terms error, defect, and failure are often used interchangeably — but they are not the same.
In this video, we break down Errors, Defects, Failures, and Root Causes using simple explanations and real-world examples. This topic is a core concept in ISTQB Foundation Level and essential for every software tester.
🎯 In this video, you’ll learn:
What a human error is and how it occurs
How errors turn into defects (bugs)
When defects cause failures
Can failures happen without defects?
What root cause analysis means and why it matters
The tester’s role in preventing failures
👩💻 This video is useful for:
ISTQB exam preparation
Junior & mid-level software testers
QA engineers and automation testers
Anyone new to software testing
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