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Reliability of the Salford Needs Assessment Schedule for Adolescents

Published online by Cambridge University Press:  01 July 1999

L. KROLL ,
A. WOODHAM ,
J. ROTHWELL ,
S. BAILEY ,
C. TOBIAS ,
R. HARRINGTON  and
M. MARSHALL
L. KROLL
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
A. WOODHAM
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
J. ROTHWELL
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
S. BAILEY
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
C. TOBIAS
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
R. HARRINGTON
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
M. MARSHALL
Affiliation:
From the Forensic Adolescent Services, Salford and University of Manchester
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Abstract

Background. For adolescents, there is no specific needs assessment instrument that assesses significant problems that can benefit from specified interventions. A new instrument (S.NASA) was developed by incorporating and adapting three well established adult needs assessment instruments. The S.NASA covers 21 areas of functioning including social, psychiatric, educational and life skills.

Method. Client and carer interviews were conducted by different researchers. A week later the interviews were repeated using a crossover design. Significant (cardinal) problems were generated from the clinical interviews using a pre-defined algorithm. Final need status (three categories) was made by clinicians assessing the cardinal problems against defined interventions. The interventions were generated from discussions with clinicians and a survey of appropriate professionals working with adolescents.

Results. Pre-piloting led to the final version being administered to 40 adolescents from secure units, forensic psychiatric and adolescent psychiatric services. There were 25 males and 15 females, mean age 15·5 years. Overall there were moderate to good inter-rater and test–retest reliability coefficients, the test–retest reliability coefficients for the total scores on the needs assessment interviews ranged from 0·73 to 0·85. Consensual and face validity was good, the adolescents and staff finding the instrument useful and helpful.

Conclusions. This new needs assessment instrument shows acceptable psychometric properties. It should be of use in research projects assessing the needs and the provision of services for adolescents with complex and chronic problems.

Type
Research Article
Information
Psychological Medicine , Volume 29 , Issue 4 , July 1999 , pp. 891 - 902
Copyright
© 1999 Cambridge University Press

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