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Glossaries

Diary Study

What is a Diary Study in User Research?

A diary study is a qualitative research method where participants record their activities, experiences, and thoughts related to a specific topic or product over an extended period, typically ranging from a few days to several weeks.

Synonyms: Longitudinal user study, Experience sampling method, User logging study, Self-reported user research

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How Diary Studies Work in User Research

Diary studies involve participants logging their experiences, thoughts, and behaviors related to a product or service over time. Researchers provide participants with a structured format to record entries, which can be done through various means such as mobile apps, online forms, or physical journals. This method allows researchers to gather rich, contextual data about user behavior in natural settings.

Benefits of Conducting Diary Studies

  1. Longitudinal insights: Diary studies capture changes in user behavior and attitudes over time, providing a more comprehensive understanding of the user experience.
  2. Natural context: Participants record their experiences in real-world situations, offering authentic insights that may not be observable in lab settings.
  3. Reduced recall bias: By recording events as they happen, diary studies minimize the risk of participants forgetting or misremembering important details.
  4. Identification of patterns: Researchers can uncover recurring themes or issues that might not be apparent in short-term studies.

Examples of Diary Study Applications

  • Tracking user interactions with a new mobile app over its first month of use
  • Observing how customers manage their finances using a banking service over several weeks
  • Monitoring the emotional journey of patients using a healthcare app during their treatment

Frequently Asked Questions

  • How long should a diary study last?: The duration can vary from a few days to several weeks, depending on the research objectives and the complexity of the user experience being studied.
  • What tools can be used for diary studies?: Popular tools include mobile apps, online survey platforms, and even physical journals. The choice depends on the study's requirements and the participants' preferences.
  • Are diary studies quantitative or qualitative?: Diary studies are primarily qualitative, but can include quantitative elements like rating scales or frequency counts.
  • How many participants are needed for a diary study?: Typically, 10-20 participants are sufficient for most diary studies, but this can vary based on the study's goals and resources available.
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