The Role of Random Allocation in Randomized Controlled Trials: Distinguishing Selection Bias from Baseline Imbalance
Background: This paper addresses one threat to the internal validity of a randomized controlled trial (RCT), selection bias. Many authors argue that random allocation is used to ensure baseline equality between study conditions in a given study and that statistically significant differences at prete...
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| Format: | Book |
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The Evaluation Center at Western Michigan University,
2013-02-01T00:00:00Z.
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A1234.567 |
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| Copy 1 | Available |