2. In the same lab, there were additional smaller groups, each headed by a grad student. Mine dedicated our first meeting to listing out our norms: expectations for how we'd behave when we were in a group. These could be serious ("Only one person speaks at a time") or silly ("We start all meetings by doing the wave"). But this really helped us feel comfortable expressing our ideas going forward, and got us thinking hard about implicit norms that exist in other groups (social psych lab, natch).