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Block Random

Block Randomization

Ensures equal sample sizes across groups within each block, maintaining inter-group balance throughout the study, particularly suitable for sequential recruitment in clinical trials

Parameter Settings

Range: 1-10,000

Range: 2-10 groups

Block size must be divisible by the number of groups

For result reproduction, leave blank for auto-generation

Block Preview

Total blocks: 5
Samples per group: 2

Algorithm Description

Block randomization divides samples into several blocks, ensuring equal sample sizes across groups within each block. This method combines randomness with balance, particularly suitable for sequential studies that need to maintain inter-group balance.

Set parameters and click "Start Randomization" to view results

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