What effect does the individual processing of the encounter with eyewitnesses have on student learning?
Development: Unlike the first intervention study, we made two adjustments. Working with two eyewitnesses was intended to highlight the necessary perspective they bring to their view of the past. Accounts of “everyday life” were intended to reduce the risk of students feeling overwhelmed.
Intervention: Together with the Center for School Quality and Teacher Education in Baden-Württemberg (ZSL), we developed a lesson unit on the topic of “The Transformation Period after 1989,” which involved working with two eyewitnesses from the “Generation 1975”—one from East Germany and one from West Germany. The lesson unit, including the videos, can be found on the “Generationenportal”.
Design: To assess the effects of the intervention under conditions as realistic as possible, a total of 50 teachers participated with their own classes (a total of 1,301 students) and, assigned at random, either taught the lesson unit (with a live visit or a video compilation) or, in the control group, followed the curriculum without eyewitnesses.
Substudy 1: To measure the effects of the intervention, assessment tools were developed and validated.
Totter, K., Wagner, W., & Bertram, C. (2024). Standardized Assessment of Historical Thinking Competencies in an Intervention Study Using Perspectives on German History. Historical Thinking, Culture, and Education 1(1). DOI 10.12685/htce.1382
Substudy 2: This study examined the effects of working with the two eyewitnesses from East and West Germany on the learners’ competencies, knowledge, and motivation.
Totter, K., Wagner, W., Bertram, C., & Trautwein, U. (2025). Effects of Working With Multiple Eyewitnesses in History Lessons on Competencies, Knowledge, and Motivation: A Cluster Randomized Controlled Field Trial. Journal of Educational Psychology. Advance online publication. https://doi.org/10.1037/edu0000996
Substudy 3: This study examined the role that learners’ subjective experiences play in their learning process when they encounter eyewitnesses in person or through media. The analyses were pre-registered.
Totter, K. (2028). Effects of Working With Eyewitnesses: A Randomized Controlled Field Trial on Authentic Learning in History Lessons [Doctoral dissertation]. University of Tübingen. https://doi.org/10.15496/publikation-75247