In this lecture, you will learn how to move beyond simply understanding messages to actively evaluating their credibility. You will explore how listeners often rely on fast, automatic thinking, and how this can lead you to accept information too quickly based on confidence, emotion, or familiarity. You will learn how to slow down and evaluate messages using the EERB framework—expertise, evidence, reasoning, and bias—by asking key questions about who is speaking, what supports the claim, whether the message makes sense, and what perspectives may be influencing it. You will examine different types of expertise, learn how to identify strong and weak evidence, recognize logical fallacies and flawed reasoning, and detect bias and missing information. You will also learn to distinguish between what is persuasive and what is actually credible, as well as how emotional appeals and tone can influence your interpretation. By the end of the lecture, you will be able to evaluate information more intentionally, helping you become a more critical listener, stronger thinker, and more informed decision-maker.