REFERENCES
- American Psychiatric Association . 2000 . Diagnostic and statistical manual of mental disorders , 4th , Washington, DC : Author . Text Rev.
- Baker , B. L. , Blacher , J. , Crnic , K. A. and Edelbrock , C. 2002 . Behavior problems and parenting stress in families of three-year-old children with and without developmental delays . American Journal of Mental Retardation , 6 : 433 – 444 .
- Burger , F. L. and Lang , C. M. 1998 . Diagnoses commonly missed in childhood: Long-term outcome and implications for treatment . The Psychiatric Clinics of North America , 21 : 927 – 940 .
- Davis , T. E. III , Fodstad , J. C. , Jenkins , W. S. , Hess , J. A. , Moree , B. N. Dempsey , T. 2010 . Anxiety and avoidance in infants and toddlers with autism spectrum disorders: Evidence for differing symptom severity and presentation . Research in Autism Spectrum Disorders , 4 : 305 – 313 .
- Dimitropoulos , A. , Blackwell , J. , Walden , T. and Thompson , T. 2006 . Compulsive behavior in Prader-Willi syndrome: Examining severity in early childhood . Research in Developmental Disabilities , 27 : 190 – 202 .
- Dixon , D. R. , Kurtz , P. F. and Chin , M. D. 2008 . A systematic review of challenging behaviors in children exposed prenatally to substances of abuse . Research in Developmental Disabilities , 29 : 483 – 502 .
- Erdfelder , E. , Faul , F. and Buchner , A. 1996 . GPOWER: A general power analysis program . Behavior Research Methods, Instruments, & Computers , 28 : 1 – 11 .
- Fodstad , J. C. , Rojahn , J. and Matson , J. L. in press . Emergent comorbidity in at risk children with and without autism spectrum disorder: A cross-sectional study . Journal of Developmental and Physical Disabilities ,
- Gillberg , C. and Billstedt , E. 2000 . Autism and Asperger syndrome: Coexistence with other clinical disorders . Acta Psychiatrica Scandinavica , 102 : 321 – 330 .
- Helverschou , S. B. , Bakken , T. L. and Martinsen , H. 2009 . The Psychopathology in Autism Checklist (PAC): A pilot study . Research in Autism Spectrum Disorders , 3 : 175 – 195 .
- Holden , B. and Gitlesen , J. P. 2009 . The overlap between psychiatric symptoms and challenging behaviour: A preliminary study . Research in Developmental Disabilities , 30 : 210 – 218 .
- Individuals with Disabilities Education Act of 2004, Pub. L. No. 108–446, 118 Stat. 2647 (2004).
- Kovacs , M. 1996 . Presentation and course of major depressive disorder during childhood and later years of the life span . Journal of the American Academy of Child & Adolescent Psychiatry , 35 : 705 – 715 .
- Leech , N. L. , Barrett , K. C. and Morgan , G. A. 2008 . SPSS for intermediate statistics: Use and interpretation , 3rd , New York : Erlbaum .
- Matson , J. L. , Boisjoli , J. A. , Hess , J. A. and Wilkins , J. 2009 . Comorbid psychopathology factor structure on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT) , Manuscript submitted for publication .
- Matson , J. L. , Boisjoli , J. A. , Rojahn , J. and Hess , J. 2009 . A factor analysis of challenging behaviors assessed with the Baby and Infant Screen for Children with aUtism Traits (BISCUIT–Part 3) . Research in Autism Spectrum Disorders , 3 : 714 – 722 .
- Matson , J. L. , Fodstad , J. C. and Mahan , S. 2009 . Cutoffs, norms, and patterns of comorbid difficulties in children with developmental disabilities on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT–Part 2) . Research in Developmental Disabilities , 30 : 1221 – 1228 .
- Matson , J. L. , Fodstad , J. C. , Mahan , S. and Sevin , J. A. 2009 . Cutoffs, norms, and patterns of comorbid difficulties in children with an ASD on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT–Part 2) . Research in Autism Spectrum Disorders , 3 : 977 – 988 .
- Matson , J. L. , Hess , J. A. and Boisjoli , J. A. 2010 . Comorbid psychopathology in infants and toddlers with autism and pervasive developmental disorders-not otherwise specified (PDD-NOS) . Research in Autism Spectrum Disorders , 4 : 300 – 304 .
- Matson , J. L. , Mahan , S. , Fodstad , J. C. , Hess , J. A. , Neal , D. and Sipes , M. 2010 . Effect of symptoms of comorbid psychopathology on challenging behaviors among infants and toddlers with autistic disorder and PDD-NOS as assessed with the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT) , Manuscript submitted for publication .
- Matson , J. L. , Wilkins , J. , Sevin , J. A. , Knight , C. , Boisjoli , J. A. and Sharp , B. 2009 . Reliability and item content of the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT): Parts 1–3 . Research in Autism Spectrum Disorders , 3 : 336 – 344 .
- McCarthy , J. , Hemmings , C. , Kravariti , E. , Dworsynski , K. , Holt , G. Bouras , N. 2010 . Challenging behavior and co-morbid psychopathology in adults with intellectual disability and autism spectrum disorders . Research in Developmental Disabilities , 31 : 362 – 366 .
- Murphy , G. , Beadle-Brown , J. , Wing , L. , Gould , J. , Shah , A. and Holmes , N. 2005 . Chronicity of challenging behaviors in people with severe intellectual disabilities and/or autism: A total population sample . Journal of Autism and Developmental Disorders , 35 : 405 – 418 .
- Myers , B. A. and Pueschel , S. M. 1991 . Psychiatric disorders in a population with Down syndrome . Journal of Nervous and Mental Disease , 179 : 609 – 13 .
- Newborg , J. 2005 . Batelle developmental inventory , 2nd , Itasca, IL : Riverside .
- Parkes , J. and McCusker , C. 2008 . Common psychological problems in cerebral palsy . Paediatrics and Child Health , 18 : 427 – 431 .
- Reiss , S. and Rojahn , J. 1993 . Joint occurrence of depression and aggression in children and adults with mental retardation . Journal of Intellectual Disability Research , 37 : 287 – 294 .
- Robins , D. L. , Fein , D. , Barton , M. L. and Green , J. A. 2001 . The Modified Checklist for Autism in Toddlers: An initial study investigating the early detection of autism and pervasive developmental disorders . Journal of Autism and Developmental Disorders , 31 : 131 – 144 .
- Roizen , N. J. and Patterson , D. 2003 . Down's syndrome . Lancet , 361 : 1281 – 1289 .
- Rojahn , J. , Matson , J. L. , Mahan , S. , Fodstad , J. A. , Knight , C. Sevin , J. A. 2009 . Cutoffs, norms, and patterns of problem behaviors in children with an ASD on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT–Part 3) . Research in Autism Spectrum Disorders , 3 : 989 – 998 .
- Rojahn , J. , Matson , J. L. , Naglieri , J. A. and Mayville , E. 2004 . Relationships between psychiatric conditions and behavior problems among adults with mental retardation . American Journal on Mental Retardation , 109 : 21 – 33 .
- Tervo , R. C. 2007 . Language proficiency, development, and behavioral difficulties in toddlers . Clinical Pediatrics , 46 : 530 – 539 .