Which of the Following Are True Statements About Randomized Controlled

Which of the following are true statements about randomized controlled trials (RCTs) ? Select all that apply.

A) The RCT design is noted to be the weakest methodology for testing the effectiveness of an intervention.
B) In a RCT design,participants are randomized to the intervention and control groups to reduce selection bias.
C) Blinding or withholding of study information from data collectors,participants,and their healthcare providers can enhance the potential for bias.
D) RCTs may be carried out in a single setting or in multiple geographic locations to decrease sample size and obtain a more representative sample.
E) RCTs,when appropriately conducted,are considered the gold standard for determining the effectiveness of healthcare interventions.

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