A thoroughly updated introduction to the concepts, methods, and standards of critical thinking, A Practical Guide to Critical Thinking: Deciding What to Do and Believe, Second Edition is a unique presentation of the formal strategies used when thinking through reasons and arguments in many areas of expertise. Pursuing an interdisciplinary approach to critical thinking, the book offers a broad conception of critical thinking and explores the practical relevance to conducting research across fields such as, business, education, and the biological sciences. Applying rigor when necessary, the Second Edition maintains an informal approach to the fundamental core concepts of critical thinking. With practical strategies for defining, analyzing, and evaluating reasons and arguments, the book illustrates how the concept of an argument extends beyond philosophical roots into experimentation, testing, measurement, and policy development and assessment. Featuring plenty of updated exercises for a wide range of subject areas, A Practical Guide to Critical Thinking Deciding What to Do and Believe, Second Edition also includes: Numerous real-world examples from many fields of research, which reflect the applicability of critical thinking in everyday life New topical coverage, including the nature of reasons, assertion and supposing, narrow and broad definitions, circumstantial reasons, and reasoning about causal claims Selected answers to various exercises to provide readers with instantaneous feedback to support and extend the lessons A Practical Guide to Critical Thinking Deciding What to Do and Believe, Second Edition is an excellent textbook for courses on critical thinking and logic at the undergraduate and graduate levels as well as an appropriate reference for anyone with a general interest in critical thinking skills.