| 2005-03-14 CVP
invites you as a clinician/researcher to participate in an international
study on risk assessment
Information about the study
We would like to invite you as a clinician or researcher with training
and experience of HCR-20 assessments to participate in this study
concerning the international use of the HCR-20 assessment scheme.
The aim of the study is to gather comparative, international data
on HCR-20 ratings of 4 vignette cases.
The study is conducted by Dr Mats Dernevik at CVP and the initiative
for the study came from the European Network for Structured Risk
Assessment and management (ENSRA).
A coordinator represents each nation that has participated thus
far. The national coordinators are:
Sweden: Mats Dernevik, Karolinska Institutet, Stockholm
Canada: Kevin Douglas, Simon Fraser university, Vancouver, BC
Germany: Lutz Gretencord, Haina Hospital, Hessen
Netherlands: Vivenne de Vogel, van der Hoeven Clinic, Utrecht
Norway: Svein Alfarnes, Kompetence Centre, Oslo
United Kingdom: Todd Hogue, DSPD, Rampton Hospital, Nottinghamshire
The aim of the study is to make an international empirical comparison
between ratings of risk using the HCR-20 scheme. To our knowledge,
there has previously been no such investigation. The obvious questions
of interests are the degree of cohesiveness in ratings across countries,
legal contexts and demographic properties (age, sex, profession
etc).
We have chosen vignette ratings as a method for this aim and we
are asking you to rate four different vignettes. This method is
far from ideal and there will be limitations in the interpretation
of the results. It would be better to compare "live" ratings
or even video interviews. We feel, however, given the scale of the
study (we are hoping for a total of 100 ratings), language problems
etc, that the logistics would be troublesome and we have chosen
the relatively easy method over written vignettes. The vignettes
have been scrutinised for "score-ability" by Dr Caroline
Logan at Liverpool University.
If you chose to participate in this study, please follow the instructions
below. We would like to assure you that your reply will be handled
with confidentiality. If you chose to answer by e-mail (which we
recommend) your reply-forms will be printed out and your e-mail
address will be erased to prevent identification of you as respondent.
If you reply by "old-fashioned" mail, you can do this
anonymously.
The ratings should take between 2 to 4 hours to make in total.
We are very grateful for your participation. We hope to present
data and findings continuously on www.cvp.se.
Instructions
The study consists of 1 background questionnaire and 4 vignettes
with a scoring sheet and 3 follow-up questions to each vignette.
- Please answer the background
questionnaire (word-format). You need to do this only once.
- Please read vignette
A (pdf).
- Please rate the HCR-20
score for vignette A (word-format). Please rate all items!
Make your best guess to scoring 0-1-2. If you feel that items
are hard to rate due to lack of information or other ambiguities
and that you would normally omit the item, please note this in
the column Omit by the side of the HCR items. Also note
3 follow-up questions after your rating.
- Please repeat this with vignettes B, C & D making HCR-20
ratings and answering the follow-up questions for each vignette:
Vignette
B (pdf) and rating
for vignette B (word-format), vignette
C (pdf) and rating
for vignette C (word-format), vignette
D (pdf) and rating
for vignette D (word-format).
- Please do not discuss the vignettes with colleagues who might
also participate in this study until both have replied.
- Please send your reply; 1 background questionnaire + 4 vignette
ratings (word-format) including the 3 follow-up questions on each
rating, either by e-mail or print on paper and send by "slow"
mail.
E-mail: mats.dernevik@cvp.se
Letter: Mats Dernevik
Centre for Violence Prevention
PO Box 23000
104 35 Stockholm
Sweden
Thank you for participating and please reply as
soon as possible.
Yours sincerely,
Mats Dernevik, PhD.
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