The scientific method - lego robots edition

At the University of Sheffield we've been teaching psychology using lego robots. This isn't as peculiar as it might sound. You can learn a lot about your theories by trying to build them into a machine or computer programme. But while teaching the course, I discovered that you can also learn a lot about the methods used in experimental psychology by trying them out on robots.

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This is one of the lego robots we were using. They are built using a Lego Mindstorms set and inspired by a book by...