The topics of photographyand coincidencehave been little discussed in foreign language teaching, although Wenrich (2015) and Rozenberg (2006) have, for example, addressed the topic of photography and Rozenberg (2018a) the topic of coincidence. In this contribution, the topics of photography and coincidence will not be explained separately, but rather the affinity of photography and coincidence will be presented. Whereas Rozenberg’s article on aleatorics describes a few aleatoric processes (ie. processes of coincidence) and their didactic functions (Rozenberg 2018a), this contribution discusses aleatorics in the context of research-based learning, in which concept-learning processes areinitiated through one's own research. Further, the contribution provides examples of worksheets prepared by education students as a result of their own research. These worksheets were developed via the connection of the three central aspects of research-based learning: self-reliance, reference to the theory, and reflection (Fichten 2013).