This edited book is a collection of papers, written by language
assessment professionals to reflect the guidance of Professor Lyle F.
Bachman, one of the leading second language assessment experts in the
field for decades. It has three sub-themes: assessment of evolving
language ability constructs, validity and validation of language
assessments, and understanding internal structures of language
assessments. It provides theoretical guidelines for practical language
assessment challenges. Chapters are written by language assessment
researchers who graduated from the University of California, Los
Angeles, where Professor Bachman trained them including the book
editors.