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AI Product Tools  /  MIF Explorer  /  Library  /  UX

Truth Layer

Truth Layer

The Truth Layer is the badge system that tells you how trustworthy, directional, or risky a measure is.

Why it matters: It helps teams separate meaningful signals from vanity, misuse, or AI distortion before they optimize the wrong thing.

Example: A metric can be Meaningful, Leading, or Vanity Risk.

KPI UX MeaningfulLeading

Return Visit Rate

The percentage of users who return to the product within a defined time window after their first visit.

Category: Engagement
Measurement class: KPI

Measurement Class

A measurement class tells you what kind of measure something is, not just what topic it covers.

Why it matters: It stops teams from building a stack full of only KPIs while ignoring value, governance, or AI signals.

Example: Governance Metric and AI Signal are two different measurement classes.

Frequency: Weekly
Back to library

Evaluation method

users_with_2plus_sessions / total_users × 100

Signal type

leading

What it is best for

Early indicator of product-market fit

What it tells you +

Whether the initial experience created enough value to bring users back.

What it does not tell you +

Explain why users returned or whether return visits were productive.

When to use it +
  • Early indicator of product-market fit
  • Evaluating whether onboarding changes affect long-term engagement
When not to use it +
  • For products with naturally infrequent use cycles (tax software, moving tools)
How leaders misuse it +
  • Counting email-driven returns as organic engagement
Anti-patterns +
  • Using re-engagement emails and counting those visits as organic returns
Companion entries +

This entry is stronger when paired with:

Instrumentation or evaluation guidance +

Define the time window clearly (7 days, 14 days, 30 days). Track by cohort for meaningful trends.

Sample events

session_start
Examples +

A fitness app has a 7-day return visit rate of 38%. After personalizing the first workout, the rate rises to 54%.

Suggested decisions +
  • If 7-day return rate is below 20%, the first experience is not creating enough pull