A step-by-step guide for teaching your students to think critically and solve complex problems! Problem-based learning expert John Barell troubleshoots the PBL process for teachers, drawing from practical classroom experience. Step-by-step procedures make this remarkably effective teaching model accessible and highly doable for all teachers, from beginners to veterans. This standards-based, teacher-friendly second edition of the author's popular PBL guide includes: Examples showing problem-based learning in action Answers to frequently asked questions on standards-based implementation Thorough guidelines for developing problems for students to solve Rubrics and assessment tips to ensure that standards are met