Psychiatry Paper B Mock Exam 2 - Question 10 Review
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Questions and Answers

What was the purpose of employing untrained community informants in the study?

  • To evaluate the accuracy of the Community Informant Detection Tool (CIDT) (correct)
  • To identify screen positive and negative participants
  • To administer the Composite International Diagnostic Interview (CIDI)
  • To provide primary care services in the community

    • What was the positive predictive value of the CIDT for adults only?

  • 0.68 (correct)
  • 0.64
  • 0.91
  • 0.93

    • If the CIDT result is positive for epilepsy, what is the increase in the probability of being epileptic?

  • 9.88 times (correct)
  • 98%
  • 44%
  • 77%

    • What was the negative predictive value of the CIDT for adults only?

    <p>0.91</p> Signup and view all the answers

    What was the total number of participants in the study?

    <p>195</p> Signup and view all the answers

    Which of the following diagnostic tools was used by clinicians to evaluate participants?

    <p>Composite International Diagnostic Interview (CIDI)</p> Signup and view all the answers

    What is the key feature of dual role transvestism?

    <p>A male wearing clothes of the opposite sex without a desire for permanent change or sexual arousal</p> Signup and view all the answers

    Which statement about dual role transvestism is NOT true?

    <p>The individual has a persistent preoccupation with castration</p> Signup and view all the answers

    According to the passage, which of the following diagnostic manuals recognizes dual role transvestism?

    <p>Both ICD and DSM</p> Signup and view all the answers

    What is the key distinguishing factor between dual role transvestism and other more severe forms of gender dysphoria?

    <p>The lack of a desire for permanent change to the opposite sex</p> Signup and view all the answers

    According to the passage, which of the following statements about dual role transvestism is true?

    <p>It involves a temporary experience of membership in the opposite sex</p> Signup and view all the answers

    Which of the following is NOT a characteristic of dual role transvestism?

    <p>The individual wears clothes of the opposite sex to achieve sexual pleasure</p> Signup and view all the answers

    What is the positive predictive value of the Community Informant Detection Tool (CIDT) for identifying individuals with any of the disorders listed?

    <p>0.64</p> Signup and view all the answers

    Which of the following disorders had the highest positive predictive value when using the CIDT?

    <p>Epilepsy</p> Signup and view all the answers

    What is the negative predictive value of the CIDT for identifying individuals without alcohol use disorder?

    <p>0.98</p> Signup and view all the answers

    If the CIDT indicates that an individual is positive for depression, what is the probability that they truly have depression?

    <p>0.62</p> Signup and view all the answers

    If an individual is identified as negative for anxiety by the CIDT, what is the probability that they do not have anxiety?

    <p>0.92</p> Signup and view all the answers

    What does the text suggest about the performance of the CIDT for identifying individuals with alcohol use disorder?

    <p>It has a low positive predictive value but a high negative predictive value.</p> Signup and view all the answers

    What is the formula for calculating the standard error of the mean (SEM)?

    <p>SEM = standard deviation / square root of sample size</p> Signup and view all the answers

    If the sample size increases, what happens to the standard error of the mean?

    <p>The SEM decreases</p> Signup and view all the answers

    In the given example, what is the value of the standard error of the mean for the sample of 81 women with a standard deviation of 18?

    <p>2.778</p> Signup and view all the answers

    What is the primary purpose of calculating the standard error of the mean?

    <p>To calculate the confidence interval</p> Signup and view all the answers

    If the standard deviation of a sample is known, but the sample size is not given, can the standard error of the mean be calculated?

    <p>No, the sample size is required to calculate the standard error of the mean</p> Signup and view all the answers

    Which of the following statements about the standard error of the mean is true?

    <p>It decreases as the sample size increases</p> Signup and view all the answers

    What is the key indicator of diagnostic utility of the Community Informant Detection Tool (CIDT) in this context?

    <p>The positive predictive value (PPV)</p> Signup and view all the answers

    What was the reported positive predictive value (PPV) of the CIDT in the study?

    <p>0.64 overall, and 0.68 for adults only</p> Signup and view all the answers

    What was the reported negative predictive value (NPV) of the CIDT in the study?

    <p>0.93 overall, and 0.91 for adults only</p> Signup and view all the answers

    What was the primary purpose of the study on the Community Informant Detection Tool (CIDT)?

    <p>To evaluate the accuracy of a community-based proactive case-finding strategy using the CIDT</p> Signup and view all the answers

    What was the reference used in the text to provide additional context?

    <p>Jordans et al., The British Journal of Psychiatry (2015) 207, 501-506</p> Signup and view all the answers

    What was the key finding regarding the diagnostic performance of the Community Informant Detection Tool (CIDT) in the study?

    <p>The CIDT had a high positive predictive value but a low negative predictive value</p> Signup and view all the answers

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