“…We operationalized the construct of experience with frequency of coding challenges over the last year, general, Java-related, and professional programming experience in years, but also reputation on StackOverflow.com. We included the latter because developers rely on it, draw on the knowledge from experts at different levels, and developer expertise is well represented by good questions and answers on it (Abdalkareem, Shihab & Rilling, 2017;Pal, Harper & Konstan, 2012;Kumar & Pedanekar, 2016). For similar reasons, we also operationalized experience with the number of pull requests on GitHub.com as they are positively correlated to several experience measures (Rahman & Roy, 2014).…”