What measure has contributed to reducing the second increment slippage?

The choice indicating that implementation of automated testing has contributed to reducing the second increment slippage is reasonable given the context of software testing. Automation in testing can drastically improve efficiency and coverage, allowing teams to execute a greater number of test cases in a shorter period, leading to quicker identification and resolution of defects. Automated testing helps to ensure that regression tests are run consistently, thus improving the reliability of the software and reducing the potential for delays.

Furthermore, as test automation tools can execute repetitive tasks without human intervention, they free up time for testers to focus on more complex testing activities, such as exploratory testing or analyzing results. This leads to a more streamlined testing process and can be pivotal in meeting tight deadlines, thereby reducing slippage in project increments.

Overall, automated testing not only enhances productivity but also provides consistent results, which are critical in maintaining project schedules and ensuring quality throughout increments.