The Johari Window
The four areas
| Area | Known to self? | Known to others? |
|---|---|---|
| 1. Open | Yes | Yes |
| 2. Blind | No | Yes |
| 3. Hidden | Yes | No |
| 4. Unknown | No | No |
Two key ideas behind the model
- With feedback from others, you can learn about yourself and come to terms with issues
- By disclosing information about yourself, you build trust with others
Goal
Enlarge the open area: vertically through self-disclosure, horizontally through feedback from others.
A teacher knows things about themselves that nobody else knows. Other people know things about the teacher that the teacher does not. There are also things the teacher knows and shares freely, and things that nobody knows yet, including the teacher.
The Johari Window is a simple grid that maps these four spaces and gives reflective practitioners a framework for self-assessment, feedback, and team work.
Who created the Johari Window
The model was developed in 1955 by Joseph Luft and Harry Ingham. The name “Johari” combines their first names: JOseph and HARry, with an “i” added.
It was originally designed as a communication model used to improve understanding both for individuals and between individuals. The model has spread well beyond its original setting and is now used widely in professional development, including teacher development.
The two key ideas
The Johari Window rests on two simple ideas.
- Trust through self-disclosure. You can build trust with others by disclosing information about yourself. People who share something of themselves invite others to do the same.
- Self-knowledge through feedback. With the help of feedback from others, you can learn about yourself and come to terms with issues you might not otherwise see.
These two ideas are mirror images of each other. The first goes outward from the self. The second comes back toward the self. Together they describe the dynamic by which a person becomes more self-aware over time.
The four areas of the window
The Johari Window is shown as a four-quadrant grid.
Quadrant 1: open area
The open area represents things that you know about yourself and that others also know. This includes your behaviour, knowledge, skills, attitudes, and public history.
For a teacher, the open area might include things like the subjects you teach, your years of experience, your stated views on education, your visible classroom style. These are public, available to colleagues and students.
The open area is the part of you that others can engage with. The larger this area, the more others have to work with in their interactions with you.
Quadrant 2: blind area
The blind area represents things that you are not aware of, but that others can see. This can involve simple information that you do not know about yourself, or it can include deeper issues.
A teacher’s blind area might include a habit of cutting students off mid-sentence that they do not realise they have, a tone of voice they use when frustrated that students notice but they do not, or a tendency to favour certain students that colleagues observe.
The blind area is uncomfortable. It contains things about you that other people are working with even though you cannot see them. The only way to reduce the blind area is through feedback from others.
Quadrant 3: hidden area
The hidden area represents things that you know about yourself but that others do not. This includes feelings, fears, doubts, plans, history, and views you have chosen not to share.
A teacher’s hidden area might include a serious doubt about whether they should be teaching, a personal experience that shapes their reaction to certain student behaviours, ambitions for a different role, anxieties about being judged.
The hidden area is sometimes appropriate. Some things genuinely should remain private, especially in professional settings. But a hidden area that is too large keeps the teacher isolated and prevents the kind of trust that mentoring and collaboration require.
Quadrant 4: unknown area
The unknown area represents things that are unknown both to you and to others. These are aspects of yourself that have not yet emerged: latent abilities, untested responses, undeveloped views.
The unknown area is the field of growth. Many things in this area become known later, through new experiences, new responsibilities, or new conversations.
A teacher who has never taught a particular age group does not yet know what kind of teacher they would be with that group. That capacity sits in the unknown area until tested.
The goal: enlarge the open area
The ultimate goal of the Johari Window is to enlarge the open area. A larger open area means more of who you are is available to be worked with, both by yourself and by others.
The open area expands in two directions.
Vertically, through self-disclosure
The more you open up your thoughts, feelings, dreams, and goals, the greater your self-awareness becomes, and the more trust develops within the team or relationship.
Self-disclosure shrinks the hidden area. Things that were known only to you become available to others. This requires choosing what to share, with whom, and when. Reckless disclosure can damage trust as easily as silence.
Self-disclosure works best in conditions of trust. A mentor relationship, a critical-friend partnership, or a small team that has built mutual trust is the right setting. Disclosure to the wrong audience can backfire.
Horizontally, through feedback from others
An important aspect of enlarging the open area is accepting feedback from others. This feedback helps you learn things about yourself that others can see but you cannot.
Feedback shrinks the blind area. The teacher who actively asks for feedback from trusted colleagues, students, and mentors finds out things about themselves that no amount of self-reflection alone could surface.
Receiving feedback is harder than giving it. It requires not getting defensive, not arguing, not explaining away the feedback before it has been heard. The teacher who can listen to feedback first, and respond second, gets more useful feedback over time.
Open (known to self and others), Blind (known to others, not self), Hidden (known to self, not others), Unknown (known to neither).
The open area enlarges vertically through self-disclosure, which reduces the hidden area, and horizontally through feedback from others, which reduces the blind area. The goal is a larger open area, which supports trust, collaboration, and professional growth.
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