Psychology Principles in Practice APA and ASA Writing Guide Psychology: Principles in Practice This Psychology program offers high school appropriate content that illustrates current theories and gives students the tools they need to understand themselves and the world around them. Grades: 9-12 Material Type: Resource Materials Format: Softcover, 80 Pages ISBN-13/EAN: 9780554026954 ISBN-10: 0554026953 Product Code: 1211354 National/State: National Copyright Year: 2010