PMID: 11925277Apr 2, 2002Paper

The California Scale of Appreciation: a new instrument to measure the appreciation component of capacity to consent to research

The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry
Elyn R SaksDilip V Jeste

Abstract

Capacity to consent is one of the linchpins of the ethical conduct of clinical care and research, and it needs to be reliably measured. The authors describe the development of a new measure of the "appreciation" component of capacity, the California Scale of Appreciation (CSA), 18 items rated according to the concept of "patently false belief" (a belief that is grossly improbable); 39 patients with schizophrenia or a related psychotic disorder (27 outpatients and 12 inpatients) and 15 normal-comparison subjects participated. Each subject's audiotaped interview was rated by three evaluators. Answers to each item were scored as "capable," "incapable," or "uncertain capacity." Also, each subject was given an overall rating of one of these three categories by each rater. Total scores on the CSA were calculated and correlated with scores on standardized instruments for assessing psychopathology and cognitive impairment. The mean total CSA score was significantly lower in the patients than in the normal-comparison subjects; however, a majority of the patients were found to be fully "capable" on the CSA. The CSA is a potentially useful instrument for measuring the appreciation component of capacity in persons with psychotic disorders....Continue Reading

References

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Citations

Dec 22, 2010·Neurologic Clinics·Teresa Lim, Deborah B Marin
Mar 4, 2003·The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry·Mohit P ChopraDavid W Oslin
Aug 3, 2006·Behavioral Sciences & the Law·Elyn R Saks, Dilip V Jeste
May 18, 2006·Behavioral Sciences & the Law·David ShoreChristine Moretto Wishnoff
May 18, 2006·Behavioral Sciences & the Law·Lisa T Eyler, Dilip V Jeste
Nov 17, 2011·Behavioral Sciences & the Law·John F EdensNorman G Poythress
Apr 5, 2014·General Hospital Psychiatry·Elissa KolvaChristopher Comfort
Nov 26, 2009·Social Science & Medicine·Robin Pierce
Mar 3, 2007·Clinical Gerontologist·Jennifer MoyeRonald J Gurrera
Dec 1, 2006·Journal of Empirical Research on Human Research Ethics : JERHRE·Alexander A Kon, Michael Klug
Mar 22, 2006·The Pharmacogenomics Journal·A Serretti, P Artioli
Aug 24, 2013·The British Journal of Psychiatry : the Journal of Mental Science·Gareth S OwenMatthew Hotopf
Oct 2, 2007·The British Journal of Psychiatry : the Journal of Mental Science·David OkaiMatthew Hotopf
May 19, 2009·Aging Clinical and Experimental Research·Corinna PorteriGiovanni B Frisoni
Jul 25, 2019·Ethics & Human Research·Kyle A McGregor, Mary A Ott
Jul 12, 2011·Current Opinion in Psychiatry·Paola C Candia, Alfredo C Barba

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