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					                                                              Faculty of Health Sciences
                                                                Cumberland Campus C42
                                                                East Street (PO Box 170)
                                                                     Lidcombe NSW 1825
Behavioural and Community                                University of Sydney AUSTRALIA

Health Sciences                                                               Enquiries
                                                                 Phone: +61 2 9351 9571
                                                                   Fax: +61 2 9351 9540
Dr Mairwen Jones                                            Email: m.jones@usyd.edu.au
Sub-Dean Graduate Coursework and Students          Website:http://www.fhs.usyd.edu.au/
Senior Lecturer in Psychology                       bach/clinics/anxiety_disorders.shtm

             THE TREATMENT OF OBSESSIVE-COMPULSIVE CHECKING

                      PARTICIPANT INFORMATION STATEMENT

You are invited to take part in a research study into The Treatment of Obsessive-
Compulsive Checking. The aim is to investigate the effectiveness of two
psychological treatments for people who have obsessive-compulsive disorder (OCD)
whose main symptom is checking. Participants will receive one of two treatments:
either Danger Ideation Reduction Therapy (DIRT), or Exposure and Response
Prevention (ERP). Both treatments will be provided by a trained registered
psychologist.
The study is being conducted by Dr Mairwen Jones, Senior Lecturer in Psychology,
Sub Dean, Graduate Coursework and Students, Dr Ross Menzies, Associate Professor
in Psychology and Miss Lisa Vaccaro, PhD Student; at The Anxiety Disorders Clinic,
Faculty of Health Sciences, The University of Sydney.
If you agree to participate in this study, you will be asked to firstly undergo a
clinical assessment with one of the researchers to determine if you have OCD
(checking subtype) and the severity of your symptoms. This will take
approximately three hours. We will also ask you to complete a number of
questionnaires and tests. The purpose of these questionnaires is to give us an
overview of how OCD has affected your life and perhaps also to give us some clues
about things that may have set you up to experience OCD. We will send these
questionnaires to you at home, before your assessment, to complete and return at
your first appointment.
Following this, if you meet the criteria for this study you will be allocated to one
of the two treatments. Each treatment will involve 14 one-hour weekly individual
sessions. Each treatment session will be recorded on an audio cassette tape so that
we can ensure that all treatment is provided consistently. At the end of the 14
sessions and again six months after you have finished treatment you will be
assessed by one of the researchers and asked to complete some questionnaires and
tests. This will take approximately three hours.
Only the research investigators (Dr Mairwen Jones, Dr Ross Menzies, and Miss Lisa
Vaccaro) and the psychologist providing the treatment may have direct contact
with you and be aware of your identity. All your completed questionnaires test
scores and audio cassettes will be stored under your code number, not under your
name. All files and audiotapes generated from the study will be stored in a locked
room in secure, lockable filing cabinets. Access to these files and audiotapes will
be controlled and monitored by the primary investigator of this study (Dr Mairwen
Jones).




USyd HREC: 12-2006/9675                                        NHMRC Grant No: 457003
                                                                           Page 1 of 3
                                                                 Faculty of Health Sciences
                                                                   Cumberland Campus C42
                                                                   East Street (PO Box 170)
                                                                        Lidcombe NSW 1825
Behavioural and Community                                   University of Sydney AUSTRALIA

Health Sciences                                                                 Enquiries
                                                                   Phone: +61 2 9351 9571
                                                                     Fax: +61 2 9351 9540
Dr Mairwen Jones                                              Email: m.jones@usyd.edu.au
Sub-Dean Graduate Coursework and Students            Website:http://www.fhs.usyd.edu.au/
Senior Lecturer in Psychology                         bach/clinics/anxiety_disorders.shtm

             THE TREATMENT OF OBSESSIVE-COMPULSIVE CHECKING

                      PARTICIPANT INFORMATION STATEMENT

Data files and audiotapes will be retained for a minimum of 15 years. Then they
will be disposed of using the University of Sydney’s confidential waste service
managed by the University’s security division.
What do the treatments involve?
Danger Ideation Reduction Therapy (DIRT) uses five strategies to decrease your
belief in the likelihood of dangerous events occurring and aims to reduce your
beliefs that harmful events will occur. These strategies include: a meditation-like
task; cognitive restructuring of unhelpful thoughts; filmed Interviews of people
whose jobs involve frequent checking; the probability of catastrophe task, which
involves you estimating your probability of feared events occurring (e.g. house
being robbed) and working with the psychologist to reduce your fears; and
corrective information in which you are provided with facts that relate to your
fears pertinent to checking. You will be required to complete regular homework
exercises (reading, monitoring and restructuring of cognitions) between sessions.
Exposure and Response Prevention (ERP) consists of two components: exposure
(in which you face your feared situation) and the prevention of your anxiety
reducing checking behaviours. The psychologist will assist you to put together a list
of the situations you avoid and those that trigger your checking rituals. At each
session, an item from the list will be chosen for ERP. Each week, a number of
items from the list will be given as homework tasks.
Both treatments have already been shown to be beneficial for some people with
OCD. The treatments do not involve any physically invasive procedures or
medications although some aspects of the treatments may cause you to experience
some discomfort or anxiety. This experience of anxiety is not unusual during the
assessment of OCD and is a necessary aspect of standard treatment. It is believed
to be beneficial and may aid your recovery. The treatments are conducted by
trained registered psychologists who will be familiar with anxiety and have the
skills to help you manage it.
All aspects of the study, including results, will be strictly, confidential and only the
research investigators (Dr Mairwen Jones, Dr Ross Menzies, and Miss Lisa Vaccaro)
and the registered psychologist (Bethany Wootton) providing your treatment will
have access to your information. A report of the study may be submitted for
publication or at conferences, but your details will not be identifiable.




USyd HREC: 12-2006/9675                                           NHMRC Grant No: 457003
                                                                              Page 2 of 3
                                                              Faculty of Health Sciences
                                                                Cumberland Campus C42
                                                                East Street (PO Box 170)
                                                                     Lidcombe NSW 1825
Behavioural and Community                                University of Sydney AUSTRALIA

Health Sciences                                                               Enquiries
                                                                 Phone: +61 2 9351 9571
                                                                   Fax: +61 2 9351 9540
Dr Mairwen Jones                                            Email: m.jones@usyd.edu.au
Sub-Dean Graduate Coursework and Students          Website:http://www.fhs.usyd.edu.au/
Senior Lecturer in Psychology                       bach/clinics/anxiety_disorders.shtm

             THE TREATMENT OF OBSESSIVE-COMPULSIVE CHECKING

                      PARTICIPANT INFORMATION STATEMENT

While we intend that this research study furthers medical knowledge and may
improve treatment of this condition in the future, it may not be of direct benefit
to you. Participation in this study is entirely voluntary: you are not obliged to
participate and - if you do participate - you can withdraw at any time without
having to give a reason and without consequences.
When you have read this information, Dr Mairwen Jones or Miss Lisa Vaccaro will
discuss it with you further and answer any questions you may have. If you would
like to know more at any stage, please feel free to contact Dr Mairwen Jones or
Miss Lisa Vaccaro on (02) 9351 9426 / (02) 9036 7307 (Telephone) or
lvac7605@usyd.edu.au (Email).
                                        This information sheet is for you to keep.

Any person with concerns or complaints about the conduct of a research study can
contact the Senior Ethics Officer, Ethics Administration, University of Sydney on
(02) 9351 4811 (Telephone); (02) 9351 6706 (Facsimile) or gbriody@usyd.edu.au
(Email).




USyd HREC: 12-2006/9675                                        NHMRC Grant No: 457003
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