This chapter addresses the findings of the multiple-case study on integrating Plain English into the language programme for PhD students at Bialystok University of Technology. The collected data are presented, analysed and interpreted to provide a report on the study, organised around four research questions that guided the study. The presentation of the findings in Sects. 5.2 and 5.3 follows the order in which the RQs are listed in Sect. 4.3 . The reporting format includes a cross-case analysis followed by within-case analyses of three individual participants. The selected cases include:The Author chose to analyse the qualitative data within these three cases because raters’ evaluations of the text samples written by selected participants did not raise any questions. On the other hand, identifying a participant who was not successful despite the intervention was difficult due to inconclusive ratings.