Davo Smith
Lead maintainer
Each student receives each question at the same time with a time limit to answer it (default 30 seconds). In between each question the correct answer is displayed, along with the number of students giving each answer (and some statistics about the percentage class / individual correct answers). This allows each question to be discussed before moving on.
Teachers can review the answers, once the quiz is finished, to identify any areas that need to be covered again.
Recent improvements (2010) include:
Overview video (for the Moodle 1.9 version - the 2.x version looks slightly different):