What is the primary reason for randomizing group allocation in a randomized controlled trial (RCT)? Question 3 options: to create treatment and control groups of equal size to blind participants to their group allocation to evenly distribute known and unknown factors that may affect the outcome between groups to increase the treatment effect between intervention and control groups

Nutrition Now
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ISBN:9781337415408
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Chapter3: Ways Of Knowing About Nutrition
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What is the primary reason for randomizing group allocation in a randomized controlled trial (RCT)?

Question 3 options:

to create treatment and control groups of equal size


to blind participants to their group allocation


to evenly distribute known and unknown factors that may affect the outcome between groups


to increase the treatment effect between intervention and control groups

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