Sleep deprivation

Five constructs are taken into considerations to define pre-existing differences between subjects experience with: • Software development in general (DEV) • Test-driven developmet (TDD) • The Java programming language (OOP) • unit testing (UT) • the Eclipse IDE (IDE) for each of the four above (i.e., excluding TDD), we asked the subjects to evaluate: 1. general familiarity (5-points likert item: very experienced – very inexperienced ) 2. years used in academia (numerical integer) 3. years used in industry (numerical integer) 4. years used in own activities (numerical integer) Whereas we only have 1) regarding TDD. The alpha level is 0.0125 due to Bonferroni correction (i.e., taking into account the four measure above)