Where does it come from
The brainwriting technique was developed by professors Leight Thompson and Loran Nordgren, from the Kellogg Business School of Management in Illinois (United States), as a tool that combines both processes – the generation of ideas and their subsequent sharing with the other participants.
On the other hand, Bernd Rohrbrach devised the 6-3-5 brainwriting technique as an alternative creative tool to brainstorming (formulated by Orborn years earlier), being first published in a German magazine in 1968. He invented the 6-3-5 Brainwriting Method as a circular process of idea generation in which 6 participants write down 3 ideas in 5 minutes supervised by a facilitator. The participants exchange their templates in the lapse of 6 rounds, so the group gets 108 ideas in 30 minutes. So, in fact, either the brainwriting or the 6-3-5 technique are quite similar and aim the same purpose.
Thus, there are different ways to develop the brainwriting techniques to choose, so bear in mind your training aims and your students’ needs when preparing the activity.