One of the oldest and most frequently used methods to understand users, their needs, attitudes and behaviours is the interview. After you developed a questionnaire, you can use it verbatim and you will get consistent and structured answers. You can also use a semi-structured questionnaire, where you have the basic questions, but have the freedom to explore each previous answer with new questions that you create at the spot. You may have some negative consequences such as more time to … Read more →
Category Archives: Blog
WiCET in the news
The WiCET project was featured on BBC News, when the researchers demonstrated the wireless charger to the TV crew. This technology was developed following the feasibility study that I contributed to. The video can be seen on LinkedIn here.… Read more →
Reflect promo video
The video above was produced at the end of the Reflect project, when we had run the studies evaluating the behaviour change intervention to motivate car drivers to cycle more often. I give a brief explanation of the app creation, and show some of the screens I designed to capture user experience via smiley scales and comments. It can be seen on Vimeo and was produced by Adam Barnett.… Read more →
How to make excel display sharp time on graph axis
I was trying to make Microsoft Excel display sharp times on graphs, but took me a while to figure out how to. I had this graph of time to complete the task, per group of participants. The X axis displayed the participant group, and the Y axis corresponded to time. But as you can see on the example, instead of showing rounded times like 2, 5 or 10 minutes, Excel was showing fractions like 01:26, 2:53 etc. I would prefer … Read more →