Error Guessing

Updated 22 Jul 2026

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def
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  a black-box testing technique based on the experience and intuition of the test analyst to identify the most error-prone areas of the software
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characteristics
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  no specific method or structure — relies entirely on tester experience
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  scope depends on the tester's experience and product knowledge
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  a good tester knows where bugs are most likely to be, saving time
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common error-guessing scenarios
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  entering blank space into text fields
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  null pointer exceptions
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  entering invalid parameters
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  divide-by-zero operations
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  uploading the maximum limit of files
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  clicking buttons without entering required values
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limitation
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  success depends heavily on individual tester skill and familiarity with the product
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related

Linked references 3