REFERENCES
- Gerrard-Morris , A. , Taylor , H. G. , Yeates , K. O. , Walz , N. C. , Stancin , T. , Minich , N. , & Wade , S. L. ( 2010 ). Cognitive devlopment after traumatic brain injury in young children . Journal of the International Neuropsychological Society , 16 , 157 – 168 .
- Sandberg , J. F. , & Hofferth , S. L. ( 2001 ). Changes in children's time with parents: United States, 1981–1997 . Demography , 38 , 423 – 436 .