What is Error Guessing in Software Testing?

Accepted answer

With error guessing, the tester uses his/her previous experience to guess what the most likely bugs will be for a particular type of application and then tests for those.

As you'll gather, it's a highly subjective approach but it is a way of narrowing down formal testing (and hence the time taken) so that you only test for the most likely causes of failure.

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Gaurav Olkar15y ago

Error guessing is a test case design technique where the tester has to guess what 
faults might occur and design the tests to represent them. 

Error guessing involves asking "what if".

E.g.--->  The statement might be made "the user must input a valid zip  code". What if the user enters no zip code? What if the zip  doesn't match the state? What if the zip code doesn't  exist? Etc...

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Sean Stewart15y ago

According to my knowledge error guessing is a technique to guess differnt errors(yet to discover) by navigating the application assuming from previous experience of simillar type of application.

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Alice Coope15y ago

In software testing, Error Guessing is a test method in which test cases used to find bugs in programs are established based on experience in prior testing.

Know more about Error Guessing from this Wikipedia Link.

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