Brian Marick has offered a definition of agile methodology. I think his definition is strangely bulky and narrow. That's because it's not really a definition, but an example. Those of us who've … [Read more...] about Defining Agile Methodology
“Use Version Control”
Darrell Norton says that "version control" is a best practice. I disagree with him about that, but his blog posting gives me an opportunity to show how context-driven reasoning works. Darrell … [Read more...] about “Use Version Control”
Some Useful Definitions
I use the following. I find these definitions to be flexible, inclusive, and consistent with the dictionary: Technique: method. Method: a way of doing something; an idea or ideas that specify … [Read more...] about Some Useful Definitions
Exploratory Testing Research
Good research on testing is hard to find. Why? One reason is that testing does not belong to the field of Computer Science. I mean, sure, some of it does. There is some value to describing and testing … [Read more...] about Exploratory Testing Research
Surprise Heuristic
At the recent Workshop on Training Software Testers, Morven Gentleman showed us a chart of some test results. I was surprised to see a certain pattern in the results. I began to think of new and … [Read more...] about Surprise Heuristic
Dead Bee Heuristic
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
How to Investigate Intermittent Problems
The ability and the confidence to investigate an intermittent bug is one of the things that marks an excellent tester. The most engaging stories about testing I have heard have been stories about … [Read more...] about How to Investigate Intermittent Problems
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