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Measuring marketing effectiveness: beyond simple addition
Por qué los modelos de atribución tradicionales se quedan cortos en el marketing actual

- July 4, 2025
- Updated: July 4, 2025 at 7:50 AM

As marketing becomes increasingly complex, the way its effects are measured also needs to evolve. Traditionally, most marketing measurement models assume that the effects are additive; that is, they simply sum the results of different initiatives. However, in practice, this assumption often overlooks potential synergies between campaigns. Some marketing efforts may not only add up but multiply their effects, generating results that exceed the sum of their parts, which can be summarized in the concept of 1 + 1 = 3.
1 plus 1 is not always 7
For example, a branding campaign that is complemented by direct response campaigns can enhance their mutual results, creating a much greater impact than if each operated separately. This phenomenon highlights the importance of understanding the interdependent behavior of marketing initiatives rather than viewing them in isolation. Although incrementality testing helps establish the cause-and-effect relationship between an action and its outcome, it often does not take into account the synergy that may exist between different channels.
Advertising platforms, such as Google Ads and Salesforce, tend to use additive attribution models, which may not accurately reflect the complexity of the current marketing ecosystem. Alternatively, the Media Mix Modeling (MMM) approach offers a more sophisticated method, capturing both additive effects and interdependencies that can produce an overall impact greater than the sum of individual contributions.

In this context, it is essential for marketers to reconsider their measurement methods and adopt tools that allow them to capture synergistic effects. This will not only help optimize budget allocation but also provide a more accurate picture of the real impact of campaigns.
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