For the persona development we combined severall tools such as 5-why+, jobs to be done canvas, empathy map etc.. EIDOS gave us the framwork and guided us through the whole process in a unique way. The risk to end up with a cliche persona was more or less zero.
We could easily recognize how things are connected and are influencing each other in order to find different scenarios and huge number of options.
You want to learn more? Watch the video.