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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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