# Incrementality Test Design

Source: https://adsuperpowers.ai/docs/cookbook/recipe/incrementality-test-setup

Design a holdout test to measure true ad incrementality.

Category: [Integration](https://adsuperpowers.ai/docs/cookbook/category/integration). Difficulty: Advanced. Estimated time: 1 hour. Estimated time saved: Strategic value. These estimates depend on your account and task.

## Platforms

- [Meta Ads](https://adsuperpowers.ai/docs/cookbook/platforms/meta)
- [Google Ads](https://adsuperpowers.ai/docs/cookbook/platforms/google-ads)

## Best for

- [Growth Engineer](https://adsuperpowers.ai/docs/cookbook/roles/growth-engineer)
- [Marketing Director](https://adsuperpowers.ai/docs/cookbook/roles/marketing-director)

## Prerequisites

- Sufficient budget for testing

Connect the required accounts and your [AI assistant](https://adsuperpowers.ai/docs/setup), then confirm the [workspace and client context](https://adsuperpowers.ai/docs/accounts#client-profiles). Open a recipe for its prerequisites, prompts and expected output. Treat durations and time savings as editorial estimates, not guarantees. Check proposed writes before approving them. Recipes involving another service need a separate connection to that service.

## Tools used

| Tool | Purpose |
| --- | --- |
| [`meta_get_insights`](https://adsuperpowers.ai/docs/tools/meta-ads#available-tools) | Baseline data |
| [`google_ads_run_gaql`](https://adsuperpowers.ai/docs/tools/google-ads#available-tools) | Baseline data |
| [`skill`](https://adsuperpowers.ai/docs/tools/skills#available-tools) | Incrementality testing guide |

The tools available to your assistant depend on account connections, workspace permissions and client support. [Browse the tool catalog](https://adsuperpowers.ai/docs/tools).

## Skills used

- [`incrementality-testing-guide`](https://adsuperpowers.ai/docs/skills)

Ask your assistant to find and retrieve the matching skill before applying it.

## Prompts

Use these prompts in your connected AI assistant. Replace account names, dates and targets as needed. Read the result before following a recommendation or approving a write.

### Incrementality Test

```text
Help me design an incrementality test for my ads. I want to understand the true incremental impact of my Meta and Google spend. Design a geo-holdout or audience-holdout test with proper statistical significance calculations.
```

**Expected output:** Incrementality test design with methodology and timeline

## Automation

This recipe is intended for an interactive run. Review the result with your assistant before proceeding.

## Related recipes

- [Daily Performance Pulse](https://adsuperpowers.ai/docs/cookbook/recipe/daily-performance-pulse)
- [List All Connected Accounts](https://adsuperpowers.ai/docs/cookbook/recipe/list-all-accounts)
- [Campaign Status Check](https://adsuperpowers.ai/docs/cookbook/recipe/campaign-status-check)

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