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Multiple Testing Correction Calculator

Adjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original order. Provide Original-order p values, Significance threshold α to compute results directly in your browser. Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur. Common search workflows supported include "bonferroni adjustment calculator".

Free to useNo sign-upRuns in your browser
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Enter the inputs, then select Calculate.

Separate finite decimal values with commas, spaces or newlines; at most 1,000 values, each within ±1e12.

Allowed range: 0 to 1.

Your result
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How the Multiple Testing Correction Calculator Works & Core Formula

The Multiple Testing Correction Calculator evaluates Original-order p values, Significance threshold α in client-side JavaScript using the deterministic rule below and updates the output panel immediately without uploading data to a server.

Adjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original order.

Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur.

Multiple Testing Correction Calculator workflow: Original-order p values input to Adjust p values using Bonferroni, Holm and Benjamini–Hochberg, preserving the original order.
Workflow illustration. The operation images show the implemented tool.

Multiple Testing Correction Calculator Quick Reference & Input Guide

Review the input parameters, allowed value ranges, and worked reference cases for the Multiple Testing Correction Calculator below before running your calculation.

Parameter / ScenarioDefault / Sample ValueRule or Allowed RangeOutput / Usage Note
Input: Original-order p values0.01,0.04,0.2Separate finite decimal values with commas, spaces or newlines; at most 1,000 values, each within ±1e12.Required workspace parameter
Input: Significance threshold α0.05Range: 0 to 1Required workspace parameter
Worked Case 1: Baseline run (Original-order p values = 0.01,0.04,0.2)Preloaded / test valuesAdjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original orderOriginal-order p values = 0.01,0.04,0.2; Significance threshold α = 0.05. Output: Results in original order: 1: p=0.01; Bonferroni=0.03 (reject); Holm=0.03 (reject); BH=0.03 (reject); 2: p=0.04; Bonferroni=0.12 (retain); Holm=0.08 (retain); BH=0.06 (retain); 3: p=0.2; Bonferroni=0.6 (retain); Holm=0.2 (retain); BH=0.2 (retain); Alpha: 0.05.
Worked Case 2: Comparison scenario (Comparison original-order p values check)Preloaded / test valuesAdjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original orderOriginal-order p values = 0,0.5,1; Significance threshold α = 0.1. Output: Results in original order: 1: p=0; Bonferroni=0 (reject); Holm=0 (reject); BH=0 (reject); 2: p=0.5; Bonferroni=1 (retain); Holm=1 (retain); BH=0.75 (retain); 3: p=1; Bonferroni=1 (retain); Holm=1 (retain); BH=1 (retain); Alpha: 0.1.

Step-by-Step Guide to Using the Multiple Testing Correction Calculator

Follow these three steps to configure Original-order p values, Significance threshold α, verify unit and boundary rules, and export your Multiple Testing Correction Calculator output.

Enter the inputs

Start with original-order p values. Separate finite decimal values with commas, spaces or newlines; at most 1,000 values, each within ±1e12.

Input and settings
Multiple Testing Correction Calculator: input and settings in the implemented browser tool
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Check units and mode

Use 1–1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur.

Tool result
Multiple Testing Correction Calculator: tool result in the implemented browser tool
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Calculate and save

Select Calculate, check the labelled result, then use Copy result or Download result.txt.

Review the details
Multiple Testing Correction Calculator: review the details in the implemented browser tool
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Practical Worked Examples for Multiple Testing Correction Calculator

These concrete scenarios illustrate how the Multiple Testing Correction Calculator processes baseline inputs, comparison checks, and boundary constraints.

Baseline run (Original-order p values = 0.01,0.04,0.2)

Original-order p values = 0.01,0.04,0.2; Significance threshold α = 0.05. Output: Results in original order: 1: p=0.01; Bonferroni=0.03 (reject); Holm=0.03 (reject); BH=0.03 (reject); 2: p=0.04; Bonferroni=0.12 (retain); Holm=0.08 (retain); BH=0.06 (retain); 3: p=0.2; Bonferroni=0.6 (retain); Holm=0.2 (retain); BH=0.2 (retain); Alpha: 0.05.

Starting example: Original-order p values = 0.01,0.04,0.2; Significance threshold α = 0.05. Output: Results in original order: 1: p=0.01; Bonferroni=0.03 (reject); Holm=0.03 (reject); BH=0.03 (reject); 2: p=0.04; Bonferroni=0.12 (retain); Holm=0.08 (retain); BH=0.06 (retain); 3: p=0.2; Bonferroni=0.6 (retain); Holm=0.2 (retain); BH=0.2 (retain); Alpha: 0.05.
Workflow illustration. The operation images show the implemented tool.

Comparison scenario (Comparison original-order p values check)

Original-order p values = 0,0.5,1; Significance threshold α = 0.1. Output: Results in original order: 1: p=0; Bonferroni=0 (reject); Holm=0 (reject); BH=0 (reject); 2: p=0.5; Bonferroni=1 (retain); Holm=1 (retain); BH=0.75 (retain); 3: p=1; Bonferroni=1 (retain); Holm=1 (retain); BH=1 (retain); Alpha: 0.1.

Second example: Original-order p values = 0,0.5,1; Significance threshold α = 0.1. Output: Results in original order: 1: p=0; Bonferroni=0 (reject); Holm=0 (reject); BH=0 (reject); 2: p=0.5; Bonferroni=1 (retain); Holm=1 (retain); BH=0.75 (retain); 3: p=1; Bonferroni=1 (retain); Holm=1 (retain); BH=1 (retain); Alpha: 0.1.
Workflow illustration. The operation images show the implemented tool.

Boundary & unit check (Bonferroni Adjustment Calculator)

When solving for 'bonferroni adjustment calculator', verify that Original-order p values, Significance threshold α use consistent units and stay within the documented scope: Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur.

Read the result in context: Yes. Bonferroni, Holm and Benjamini–Hochberg results are restored to the original hypothesis order after the calculations. Equal inputs retain that order.
Workflow illustration. The operation images show the implemented tool.

How to Read and Verify the Multiple Testing Correction Calculator Output

The output panel reports the exact result derived from Original-order p values, Significance threshold α alongside any unit or formatting notes.

Every calculation follows the rule: Adjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original order. Because JavaScript uses IEEE 754 double-precision floating-point arithmetic, numeric outputs display up to 12 significant digits where applicable.

Always cross-check the displayed result against the scope note (Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur) before applying the value to production specifications, financial models, or lab records.

How to read the result workflow illustration
Workflow illustration. The operation images show the implemented tool.

Scope Limits, Accuracy Assumptions & Related Everyday Math Tools

Review these boundary constraints and validation rules before relying on the Multiple Testing Correction Calculator output.

Operational scope: Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur. Inputs that violate minimum/maximum bounds or required format rules are rejected with a clear diagnostic prompt.

Need an adjacent calculation in Everyday Math? Use the related tools linked below to chain your workflow without leaving your browser.

Input limits and assumptions workflow illustration
Workflow illustration. The operation images show the implemented tool.

Frequently Asked Questions About Multiple Testing Correction Calculator

Answers about using Multiple Testing Correction Calculator and understanding its results.

How do I calculate bonferroni adjustment calculator using the Multiple Testing Correction Calculator?

The Multiple Testing Correction Calculator applies the rule: Adjust p values using Bonferroni, Holm and Benjamini-Hochberg, preserving the original order. Enter Original-order p values, Significance threshold α into the workspace and the tool computes the exact output in your browser.

What input parameters and units are required for Multiple Testing Correction Calculator?

Yes. Provide Original-order p values, Significance threshold α using the documented units and format shown in the quick reference table above. Preloaded default values let you test the workflow immediately.

What are the accuracy limits and boundary assumptions for Multiple Testing Correction Calculator?

Use 1-1,000 p values in [0,1]. Holm uses a forward cumulative maximum, BH a reverse cumulative minimum. A method rejects when its adjusted p ≤ supplied alpha; dependence assumptions and study design remain the user’s responsibility. Numeric output uses up to 12 significant digits; floating-point rounding can occur. Confirm that your inputs fall within the allowed ranges before exporting the result.

Is the Multiple Testing Correction Calculator free and does it keep my inputs private?

Yes. All calculations for the Multiple Testing Correction Calculator execute 100% locally in your browser's JavaScript runtime. No inputs or results are uploaded to any external server.

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