Have you ever had a software problem that disappeared even when you did nothing to correct it? Or have you ever fixed a bug by doing something that seems as if it shouldn't have fixed … [Read more...] about Dead Bee Heuristic
Peer Conferences and Learning
In the past two years, "Peer conference" and "exhibition conference" are terms I've come to use a lot. A peer conference is a get together among practitioners of a particular discipline for the … [Read more...] about Peer Conferences and Learning
Against Certification
What follows is a somewhat grumpy argument against tester certification programs. I have mixed feelings about writing this, because I know a lot of otherwise friendly people who are involved in … [Read more...] about Against Certification
Quick Oracle: Blink Testing
Background: In testing, an "oracle" is a way to recognize a problem that appears during testing. This contrasts with "coverage", which has to do with getting a problem to appear. All tests cover a … [Read more...] about Quick Oracle: Blink Testing
On Answering Questions About ET
People ask me a lot of questions about ET. I want to be helpful in my answers. A problem I struggle with is that questions about ET often come with a lot of assumptions, and the first thing I have to … [Read more...] about On Answering Questions About ET
Why Talk About Exploratory Testing?
So, there I was at the Dutch Testing Day, last year. I was a featured speaker, talking about exploratory testing. ET is one of my favorite subjects. It is helpful and powerful, and yet by some strange … [Read more...] about Why Talk About Exploratory Testing?
Stuart Reid Says “It’s Better Than Nothing”
I was watching Dr. Stuart Reid talk about model-based testing, some months ago. During the presentation, he complained that so few people used UML for model-making. Why don't more people use UML, he … [Read more...] about Stuart Reid Says “It’s Better Than Nothing”
No Best Practices
Dear Reader, I would like you to give up, henceforth, the idea of "best practice." Thank you. I want to stamp out "best practice" for several reasons: There are no best practices. By this I mean … [Read more...] about No Best Practices
Test For Ambiguity
Here is one test to tell if a sentence is potentially ambiguous: It has words in it. … [Read more...] about Test For Ambiguity
Amateur Penetration Testing
It's traveling season for me. London, Amsterdam, New Zealand, Australia, and so forth. That means I'm killing time in a lot of airports and hotel lobbies. And THAT means I'm testing software on kiosks … [Read more...] about Amateur Penetration Testing