Examining Reasoning, part of the Marzano Center: Essentials for Achieving Rigor series, explores explicit techniques for mastering this crucial strategy of instructional practice. Students need to know how to state a claim and support it with evidence. They must be able to examine their own thinking and the thinking of others. As they consider the logic in their reasoning, they become adept at examining errors, identifying flawed logic, and, ultimately, deepening their understanding of the content.