This is a comprehensive study guide for the New York NYSTCE ATS-W teacher certification test for Assessment of Teaching Assistant Skills- Written. It covers all competencies and skills defined by the state of New York. It includes hundreds of sample test questions with full rationales explaining each answer. Each sample test question is correlated back to the specific skill in the content as well as weighted for its rigor and difficulty. More information about this title can be found at www.xamonline.com