This book includes: a theoretical summary of the various facets of motivation, an examination of how the theoretical insights can help classroom practitioners in their everyday teaching practice and practical recommendations on how motivation can be researched and assessed. The following chapters are included: "Main Challenges of Motivation Research"; "Theories of Motivation in Psychology"; "Motivation To Learn a Foreign/Second Language"; "'Education-Friendly' Approaches in Motivation Research"; "Motivation and Motivating in the Foreign Language Classroom"; "Student Demotivation"; "Teacher Motivation"; "Making Motivation a Researchable Concept"; "Methodological Issues and Considerations"; "Main Types of L2 Motivation Research"; "The Locus of Motivation Research: Linkages to Other Topics and Disciplines." References and subject and author indexes are also included. (Contains 356 references.) (KFT)