- A questionnaire was given twice to students to assess their knowledge of recent European history. - The percentage of correct answers increased from the first to second time the questionnaire was completed, showing that the students' knowledge improved. - Between the first and second administrations, students participated in educational workshops, presentations, seminars, and visits, which likely contributed to boosting their understanding of European history. - When questions included images or pictures, students performed better, indicating that multimedia aids can enhance learning.