Acknowledgments
The guest editors and all authors of this special issue are grateful to the current coeditors of Language Assessment Quarterly, Professors Jim Purpura and Constant Leung, as well as the previous editor, Professor Anthony Kunnan. Their constant encouragement and suggestions helped us to move forward. We are also indebted to the Associate Editor, Professor Aek Phakiti, for his enormous assistance, and to the anonymous reviewers for their constructive feedback, both of which greatly enhanced the quality of this special issue.