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25 Behav. Sci. & L. 1 (2007)

handle is hein.journals/bsclw25 and id is 1 raw text is: Behavioral Sciences and the Law Behav. Sci. Law 25: 1 19 (2007) Published online in Wiley InterScience % - (www.interscience.wiley.com) DOI: 10.1002/bsl.714 - s CO SOMETHING...... Adjudicative Competence and Comprehension of Miranda Rights in Adolescent Defendants: A Comparison of Legal Standards Jodi L. Viljoen, Ph.D.,* Patricia A. Zapf, Ph.D.t and Ronald Roesch, Ph.D.1 Currently, there is considerable variability and ambiguity in legal standards pertaining to juveniles' comprehension of Miranda rights and their adjudicative competence. This study investigated rates of impairment under various pro- posed legal standards. One hundred and fifty-two young defendants aged 11-17 were assessed with Grisso's Miranda Instruments and the Fitness Interview Test-Revised. While over half of defendants aged 15 and under were classified as impaired in adjudicative capacities when adult norms were applied, significantly fewer adolescents were classified as impaired when adolescent norms were applied or a standard of basic understanding and communi- cation. Also, while over half of defendants aged 15 and under were classified as impaired in their comprehen- sion of Miranda rights when both understanding and appreciation of Miranda rights were required, significantly fewer youth were classified as being impaired when only understanding was required. The implications of these findings are discussed. Copyright 0 2007 John Wiley & Sons, Ltd. *Correspondence to: Dr. Jodi L. Viljoen, Department of Psychology, Simon Fraser University, RCB 5246, 8888 University Drive, Burnaby, BC, Canada, V5A 1S6. tJohn Jay College of Criminal Justice. 'Simon Fraser University. This study was supported by a Social Sciences and Humanities Research Council of Canada Doctoral Fellowship, an American Psychology Law Society Grant-in-Aid, and an American Academy of Forensic Psychology Dissertation Grant awarded to the first author. The authors would like to thank the Daniel Erker, the staff at Remann Hall Juvenile Detention Facility in Tacoma, WA, and our study participants. We would also like to thank Dr. Thomas Grisso for his helpful comments on an earlier draft of this manuscript. Contract/grant sponsors: Social Sciences and Humanities Research Council of Canada; American Psychology Law Society; American Academy of Forensic Psychology. Copyright 0 2007 John Wiley & Sons, Ltd.

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