Groups research the topic, and are then newly assembled.
Each of the new groups consist of one expert member assembled from each of the expert groups. Experts report their findings to their new group mates, or the group collaboratively solves a task incorporating all the subtopics. Cards are passed on to the next group, which discusses their answers, compares them to the answer on the flashcard, and may write an alternative solution on the back. Stacks rotate until returned to the original senders, who examine and discuss alternative answers. Students meet regularly outside of class to review class content and assignments and to comment on each other s work.