The Friendship Zones

Transparency · Foundations

Research and Foundations

A research informed reflective framework exploring how friendships function through emotional access, reciprocity, repair, consistency, and embodied presence.

This framework is research informed, but it is not a clinically validated psychological instrument, a diagnostic tool, or a mathematically proven friendship algorithm.

For a plain language overview of the five zones, seven dimensions, and how results are shaped, visit About.

What is original to this framework

The Friendship Zones framework, including the five friendship zones, covenant friendship language, Self circle, health indicators, reflection notes, growth insights, friendship map structure, and scoring architecture, was originally developed by Lester Lin through years of relational observation, friendship reflection, community work, and interdisciplinary study.

Human friendship is too complex to be fully captured by any framework. This model should be used as a reflective guide, not as a final definition of a relationship.

Research areas that informed this framework

Tap a card to read more about each area and its sources.

Important clarifications

This is not a clinical or diagnostic instrument.
Human relationships cannot be perfectly measured.
A result is a reflective snapshot, not a permanent label.
The purpose is honesty and healthier expectations — not ranking.

Sources

  • · Robin Dunbar — layered social networks and friendship maintenance
  • · Jeffrey Hall — friendship formation and hours invested
  • · John Bowlby and ECR-R — attachment theory
  • · McGill and Parker–Asher — friendship quality measurement
  • · Holt-Lunstad and Cacioppo — loneliness and social connection
  • · CDC Kaiser ACE Study — adverse childhood experiences

These sources informed the framework's language and structure. They do not independently validate the Friendship Zones scoring model.

For a plain language overview of the framework, visit About.