Janvnbakht, Hejazi, & Ghasemi (2009) have clearly identified the purpose of their study. They have also stated the importance and relevance of the research topic to the current evidence-based practice. An already diagnosed illness of anxiety and depression is included in the study and evaluation of the history of other psychiatric illness confirmed before the study. The use of participants with an already diagnosed illness facilitates the study of the effectiveness of the yoga intervention in alleviating disorders and symptoms associated with anxiety and depression. There is an adequate description of the sample of the participants, response rate, and sample attrition.

Critical Appraisal of the Research Article (cont'd)

However, it fails to provide a detailed inclusion and exclusion criteria used in the study alongside the actions taken to maintain blinding.

For example, the study fails to include strategies adopted to maintain blinding such as training the therapist not to discuss...
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