Author Archives: Christin Wiedemann

Christin Wiedemann

About Christin Wiedemann

Christin Wiedemann (@c_wiedemann) is the Co-CEO and Chief Scientist of PQA Testing. After finishing her PhD in Physics at Stockholm University, Christin Wiedemann started working as a software developer for the Swedish consulting company HiQ. Christin soon discovered that software testing was more interesting and challenging than development and subsequently joined the Swedish test company AddQ Consulting. At AddQ, she worked as a tester, test lead and trainer, giving courses on agile testing, test design and exploratory testing throughout Europe. Christin developed a course on exploratory testing, and is a co-creator of the exploratory testing approach xBTM. Christin currently lives in Vancouver, where she joined Professional Quality Assurance (PQA) Ltd. in 2011. In her current role as Chief Scientist, she drives PQA’s research and method development work. She continues to use her scientific background and pedagogic abilities to develop her own skills and those of others. LinkedIn Profile

Follow-up on xBTM

Background At STARWest 2011, I gave a talk about xBTM together with Michael Albrecht. Jon Bach was in the audience, and he gave us some very valuable feedback on our idea and how we presented it. This blog post is … Continue reading

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The Return Of Dendrograms

What is Dendrogram-Based Testing? Well, what is a dendrogram to start with? A dendrogram is a tree diagram that visualises hierarchical clustering. If that didn’t help, a dendrogram basically groups objects in a tree view based on how similar they … Continue reading

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Dendogram-Based Testing

Friday afternoon I was looking through the latest tweets when my eye was caught by the phrase Dendogram-Based Testing. I like all words that have a Greek origin and sound like science, so I had a closer look, and of … Continue reading

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Going To The Extreme – xBTM

Now that the project has finished it is time to sum up my experiences of adapting Thread-Based Test Management (TBTM). Since I generally do not believe in rigorously adhering to a protocol, I ended up not using TBTM strictly, but … Continue reading

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Know Yourself as a Tester

Who are you? How do you behave? And how does it affect your testing? I was pair-testing with a colleague, which gave me an excellent opportunity to study his testing behaviour. He had to enter a five digit number repeatedly, … Continue reading

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Tying Up Some Loose Ends

I think it is time for a follow-up on my experience of applying Thread-Based Test Management (TBTM). In October last year I blogged about my attempt at setting up my tests for a new project using TBTM. It was a smaller … Continue reading

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Click OK to Crash

I – of course – use a risk-based approach in my testing, meaning that checking the exact phrasing of error messages is very far down on my prioritised list of test tasks. As long as the message is relevant and … Continue reading

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Physicists – Testers in Disguise?

My background is in science. I have spent 11 years (a third of my life, believe it or not) studying mathematics, statistics and most importantly – physics, experimental astroparticle physics to be specific. I have been trained to be sceptical … Continue reading

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Spinning Threads Into Yarn

Recently the approach I have had to my testing has been heavily influenced by session-based test management. I have made a test plan consisting of a high-level list of test tasks. The testing has been exploratory, performed in sessions on … Continue reading

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Picking Up a New Thread

I have just spent the weekend at a very inspiring peer conference on exploratory testing (Swedish Workshop on Exploratory Testing, SWET1) in Stockholm. There were many interesting presentations and discussions, but what is on my mind right now is James … Continue reading

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