Jürgen Börstler – Supplementary materials

Developers talking about code quality (supplementary material for Empirical Software Engineering journal)

• code-quality_study-design (zip-file)
  Files describing the study design, interview script and coding guide.
• code-quality_data (zip file)
  Spreadsheets with data for the study.

Readability of OO example programs (Beauty and The Beast; SRES)

• Pogje (executable jar-file)
  A program that computes various measurements for Java classes, among others average word length (AWL) and average sentence length (ASL) which are used to compute SRES (Software Readability Ease Score).
• Nadeem Abbas’ Master thesis (pdf)
  This Master thesis describes the counting rules used in the computation of AWL and ASL. It also contains a brief user guide for Pogje. Please cite as Nadeem Abbas: Properties of “Good” Java Examples. Master thesis. Umeå University, Umeå, Sweden. 2010.
• List of example programs (pdf)
  A list of the example textbook programs that are used in several quality evaluations.

Role of method chains and comments in software readability and comprehension (experiment)

• Code snippets (pdf)
  Document showing all variants of the 5 code snippets used in the experiment. Gaps for the cloze tests are marked.
• Survey questions (pdf)
  A dump of all questions from the tool “Limeservice”.
• Data (Excel doc)
  An Excel worksheet with the data from all completed answers.