Meet the Professor
Geertjan took part in the UvA “Meet the Professor” program, which aims to bring science to life for children in primary schools across Amsterdam.
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October 8, 2025
Book chapter: If we knew what we were doing, it wouldn’t be called research
Geertjan was interviewed on the topic of bullying for Jim and Dolf Jansen's new book.
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October 5, 2023