Allen, D. D., Ni, P., & Haley, S. M..  (2008).  Efficiency and sensitivity of multidimensional computerized adaptive testing of pediatric physical functioning. Disability & Rehabilitation, 30, 479-84.

Haley, S. M., Ni, P., Ludlow, L. H., & Fragala-Pinkham, M. A..  (2006).  Measurement precision and efficiency of multidimensional computer adaptive testing of physical functioning using the pediatric evaluation of disability inventory. Archives of Physical Medicine and Rehabilitation, 87, 1223-9. presented at the Sep.