Randomized Controlled Trials (RCTs) in Research
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Questions and Answers

What is the primary reason for registering a Randomised Controlled Trial on a national or international clinical trials register?

  • To compare the results with other trials
  • To ensure the trial is adequately powered
  • To specify the full protocol for the trial (correct)
  • To randomly assign participants to conditions

What is the purpose of a wait list control condition in a Randomised Controlled Trial?

  • To provide a placebo effect
  • To assess the effectiveness of the intervention
  • To compare the intervention to a standard treatment
  • To receive no treatment and serve as a baseline (correct)

When should assessment be conducted in a Randomised Controlled Trial?

  • Only at the 6 and 12 months follow-up points
  • Only before the intervention
  • Both before and after the intervention, with additional follow-up points (correct)
  • Only after the intervention has been completed

What is the main purpose of adequately powering a Randomised Controlled Trial?

<p>To detect a difference between conditions if it exists (A)</p> Signup and view all the answers

What is the primary benefit of randomly assigning participants to conditions in a Randomised Controlled Trial?

<p>To reduce bias and ensure equitable distribution of participants (C)</p> Signup and view all the answers

What was the primary focus of the randomised controlled trial described in the text?

<p>Comparing the efficacy of different delivery modalities of the intervention (A)</p> Signup and view all the answers

How many sessions were there for the parents and the children in the intervention?

<p>Six sessions for parents and six sessions for children (B)</p> Signup and view all the answers

What was the criteria for the children to be included in the trial?

<p>They had to be 7 to 14 years of age, and meet the criteria for at least one clinically significant anxiety disorder (D)</p> Signup and view all the answers

How did the therapist-supported bibliotherapy condition differ from the clinic-based individual therapy condition?

<p>The delivery modality was different (B)</p> Signup and view all the answers

What was the purpose of the wait list control condition in the trial?

<p>To have a group that received no treatment for 12 weeks (B)</p> Signup and view all the answers

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