Multivariate Test (MVT)

More about: Multivariate Test (MVT)

What it calculates

The “Multivariate Test (MVT)” calculator computes Total visitors needed from 8 parameters: variants of element 1 (incl. control), variants of element 2 (incl. control, 1 = not tested), variants of element 3 (incl. control, 1 = not tested), baseline conversion rate (%), minimum detectable effect (relative lift) (%), confidence level (%), test power (%), visitors per day.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters Variants of element 1 (incl. control) = 2, Variants of element 2 (incl. control, 1 = not tested) = 2, Variants of element 3 (incl. control, 1 = not tested) = 2, Baseline conversion rate = 5 %, Minimum detectable effect (relative lift) = 20 %, Confidence level = 95 %, Test power = 80 %, Visitors per day = 5,000 the result is 65,264 (Each combination is compared with the control; with many combinations the Bonferroni-corrected figure is safer).

How to use

1. Enter variants of element 1 (incl. control), variants of element 2 (incl. control, 1 = not tested), variants of element 3 (incl. control, 1 = not tested), baseline conversion rate, minimum detectable effect (relative lift), confidence level, test power and visitors per day — each field above is adjustable with a slider.
2. Total visitors needed is calculated automatically as you type.
3. Check the worked example below to see the formula applied to real numbers.
4. Copy the result or bookmark this calculator.

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