What is a Longitudinal Study?

What is a longitudinal study?

Longitudinal studies collect data on multiple occasions from the same participants over a period of time.

Why are longitudinal studies helpful?

Longitudinal studies can provide valuable insight into how participants behave and interact with their surroundings, an experience, or a brand over time in their everyday lives.

When should a longitudinal study be conducted?

Longitudinal studies can be conducted at any time during the lifecycle of a product. However, they are typically done:

  • Before development, as a way to gather requirements and understand users
  • After a site or product has been launched, to gather data on how, when, and why people naturally use it

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