1. Journal of Autism and Developmental Disorders editorial policy on duplicate publication of research results

   Editorial Pages: 215 - 215

2. Sex differences in higher functioning people with autism

   • John D. McLennan
   • Catherine Lord
   • Eric Schopler

   OriginalPaper Pages: 217 - 227

3. Subclassification of children with autism and pervasive developmental disorder: A questionnaire based on Wing's Subgrouping scheme

   • Paul Castelloe
   • Geraldine Dawson

   OriginalPaper Pages: 229 - 241

4. A follow-up study of early onset psychosis: Comparison between outcome diagnoses of schizophrenia, mood disorders, and personality disorders

   • Jon M. McClellan
   • John S. Werry
   • Mark Ham

   OriginalPaper Pages: 243 - 262

5. A comparison between the Handicaps Behaviour and Skills Schedule and the psychoeducational profile

   • Ina van Berckelaer-Onnes
   • Gijs van Duijn

   OriginalPaper Pages: 263 - 272

6. Developing a Chinese version of the Psychoeducational Profile (CPEP) to assess autistic children in Hong Kong

   • Meggan Ka-ting Lam
   • Nirmala Rao

   OriginalPaper Pages: 273 - 279

7. Symbolic play in autism: A review

   • Christopher Jarrold
   • Jill Boucher
   • Peter Smith

   ReviewPaper Pages: 281 - 307

8. Pauses in the narratives produced by autistic, mentally retarded, and normal children as an index of cognitive demand

   • Christopher Thurber
   • Helen Tager-Flusberg

   OriginalPaper Pages: 309 - 322

9. A prevalence study of autism in tuberous sclerosis

   • Ann Hunt
   • Charles Shepherd

   OriginalPaper Pages: 323 - 339

10. Cognitive shifting as a predictor of progress in social understanding in high-functioning adolescents with autism: A prospective study

    • Hans J. C. Berger
    • Karel P. M. van Spaendonck
    • Alexander R. Cools

    OriginalPaper Pages: 341 - 359

11. Assessing the relationship between affective responsivity and social interaction in children with pervasive developmental disorder

    • Paul V. Trad
    • David Bernstein
    • Margaret Hertzig

    OriginalPaper Pages: 361 - 377

12. Brief report: How far can people with autism go in developing a theory of mind?

    • Sarah Holroyd
    • Simon Baron-Cohen

    Brief Reports Pages: 379 - 385

13. Brief report: Parental age in infantile autism, autistic-like conditions, and borderline childhood psychosis

    • Svend Erik Mouridsen
    • Bente Rich
    • Torben Isager

    Brief Reports Pages: 387 - 396

14. Brief report: Implications of hyperlexia in an autistic savant

    • Paul J. Patti
    • Laura Lupinetti

    Brief Reports Pages: 397 - 405

15. Brief report: Cases for an association between Tourette syndrome, autistic disorder, and schizophrenia-like disorder

    • Jeffrey sverd
    • Gerardo Montero
    • Nina Gurevich

    Brief Reports Pages: 407 - 413

16. The negative effects of positive reinforcement

    • G. B. Biederman

    Letters to the Editor Pages: 415 - 416

17. Facilitating communication about facilitated communication

    • Patricia Minnes

    Letters to the Editor Pages: 416 - 419

18. Allergic sensitization in infantile autism

    • B. Bidet
    • M. Leboyer
    • J. Benveniste

    Letters to the Editor Pages: 419 - 420

19. Growth hormone deficit in autism

    • Letizia Ragusa
    • Maurizio Elia
    • Renato Scifo

    Letters to the Editor Pages: 421 - 422

20. Author responds to review of Vaccination, Social Violence, and Criminality

    • Harris L. Coulter
    • Marcel Kinsbourne

    Letters to the Editor Pages: 422 - 424

21. Acknowledgment

    Acknowledgments Pages: 425 - 426

22. Announcement

    Announcement Pages: 427 - 427