Electronic supplement for the article Developers Talking About Code Quality Please refer to the following paper when you cite/use this data: J. Börstler, K.E. Bennin, S. Hooshangi, J. Jeuring, H. Keuning, C. Kleiner, B. MacKellar, R. Duran, H. Störrle, D. Toll, J van Assema. Developers Talking About Code Quality. Empirical Software Engineering, 2023. https://link.springer.com/article/10.1007/s10664-023-10381-0 Overview of the electronic supplement (sorted according to file names) The data data_all-except-Q4.xlsx The original cleaned data for Questions Q1-Q3 and Q5-Q11. data_Q4 assertions.xlsx The "assertions" which are based on the transcripts of Q4. The information provided to study participants participants_consent-form_EN.pdf The consent form the participants signed (English version, interviewees received a copy on request). participants_interview-info.pdf The information sheet that was handed out for recruiting interview participants (they could keep this form). The study design and guidelines study-design_coding-guide_birds-eye-summaries.pdf The guidelines for coding the transcripts of Q4 into "assertions" (which we call "birds-eye summaries" in these guidelines). study-design_main.pdf The main study guide comprising (among others) a detailed interview script. study-design_transcription.pdf The guidelines used for transcribing Q4.