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• 21:15, 24 March 2025 Lawrence talk contribs created page Allocation concealment (Created page with "== Allocation Concealment == '''Allocation concealment''' is a critical methodological feature in randomized controlled trials (RCTs) that prevents selection bias by ensuring that the assignment of participants to treatment groups remains unpredictable before enrollment. === Why Allocation Concealment Matters === ==== 1. Prevents Selection Bias ==== * Without concealment, researchers or participants may (intentionally or unintentionally) influence group assignment. *...")