Holt Psychology: Principles in Practice Mastering Critical Thinking Skills Psychology: Principles in Practice Softcover resource that provides students with important analytical skills such as locating and gathering information, identifying and explaining main ideas, observing for detail, distinguishing between fact and opinion, and interpreting statistics. Grade: 9 Material Type: Resource Materials Format: Softcover, 56 Pages ISBN-13/EAN: 9780030646447 ISBN-10: 0030646448 Product Code: 1132353 National/State: National Copyright Year: 2003