A quality assurance team is testing a new language model intended for a public-facing Q&A service. They create a test suite where they take standard, well-formed questions and systematically introduce minor changes, such as typos, rephrasing with synonyms, and adding irrelevant filler phrases. They then measure the consistency and correctness of the model's answers to these modified questions compared to the originals. This testing process is primarily focused on evaluating which of the following?

Analyzing a Chatbot's Failure Mode

A development team is preparing to launch a new large language model. To ensure its reliability, they plan to test it using several different methods. Match each evaluation technique below with the specific testing scenario that best exemplifies it.