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Masellis et al. (2003) OCD CONTEMPORARY STUDY (2) Background Features of OCD? OCD affects one adult in 40 (2.5 percent of the population) Fourth most common disorder Symptoms? Why can they cause dysfunction? Do you think that those with OCD are more impaired than people with some medical conditions such as diabetes? Koran et al (1996)found that they were. Impact on their roles in life and social functioning meant they were more impaired than those with conditions such as diabetes Are obsessions more limiting than compulsions? Or the other way around? Which is more distressing? – according to Masellis et al. (2003) Not enough research has been conducted to to answer this question. Groups – work together to complete APRC Pg 129-132 of textbook And journal article (recommended) especially for abstract, aims, conclusion and discussion. APRC (include important discussion points in your notes) Use document in shared folder Study hints (textbook) This article refers to OCD as an illness- focus is on the medial model. You can use this study to show how the medical model features in research They use standardised measures to gather data (obsessions, compulsions, quality of life and depression) Self report data – they state that the scales used has validity and reliability. Why? Evaluation – brainstorm ideas Evaluation Sample? Generalisable/population validity? (43 OCD patients recruited from one hospital (Clarke site) Toronto. 18-65 mean age 34.9 Excluded if they had concurrent diagnosis of SZ, bipolar or substance use disorder Male ( 42%) female ( 58%) European 97.7 % Sample not large enough to assess associations between obsessive compulsive symptoms and specific aspects of quality of life Reliability – standardised tests and scales (likert scale) Ybocs 10 items 5 point scale high internal consistency has been shown IIRS? BDI Applicability/ usefulness – implications? 75% of OCD patients are experiencing depression Reduction of depression? Why? Meta analysis review shows that SSRIs are no more effective than ERP in reducing comorbid depression (Stanley &a turner 1995) Effects relapse rate and long term remission More focus on compulsions at the moment – less helpful for those with predominantly obsessional presentation 17-44% of patients only present obsessions Quality of life can be improved by focusing on reducing occurrence and distress of obsessions Validity – cross sectional (textbook) Self report? Questionnaires? External population validity Ethics not applicable t Issues and debate? Practical issues Use of psychological knowledge in society How psych has developed over time This article can be used when evaluating or discussing OCD treatments Using the discussion (journal pg. 75) answer the following question. Taking into account biological and psychological treatments for OCD, explain which treatments are suggested to be the most effective (4 marks) Consolidate your knowledge of this study! Practice questions 1.Explain the procedure of one of the chosen studies named in your chosen course focussing on your chosen disorder other than Schizophrenia. (4) 2.To what extent can the findings of your chosen study be considered suitable for generalising to the target population. (8) 3.Evaluate one of the studies named in your course focussing on your chosen disorder other than Schizophrenia. (16)
