Citation Fuchs, D., Fuchs, L., & Vaughn, S. (2013, February). New directions in intervention research. Opening presentation at 21st annual Pacific Coast Research Conference, San Diego, CA. More by These Authors Psychometric Properties of Maze Tasks in Middle School Students Intensive Intervention for Students With Mathematics Disabilities: Seven Principles of Effective Practice Class Percentage of Students With Reading Difficulties on Content Knowledge and Comprehension