Most of us have had the experience of hearing feedback that genuinely surprised us. A colleague mentions that you interrupt in meetings, or a friend says you come across as distant when you are tired. You had no idea. The Johari window is a simple model that explains why this happens and gives you a practical way to shrink those blind spots.
This guide is not a general primer on self-awareness (for the receiving side, see how to receive feedback well). It focuses on one tool: what the Johari window is, how its four quadrants work, and, most usefully, how to use it to ask for feedback in a way that actually gets you honest answers.
Where the Johari Window Comes From
The Johari window was created in 1955 by two American psychologists, Joseph Luft and Harrington Ingham. The name combines the first parts of their first names: “Jo” and “Hari”. They designed it as a way to think about how much of ourselves is known to us, and how much is known to others.
The model is drawn as a square divided into four panes, like a window. Two questions define the panes:
- Is this trait or behaviour known to me or unknown to me?
- Is it known to others or unknown to others?
Crossing those two questions gives you four quadrants. The idea is that healthy relationships, at work or at home, depend on growing the part of yourself that is open and shared.
The Four Quadrants at a Glance
Here is how the four panes compare.
| Quadrant | Known to you? | Known to others? | Example | How it shrinks or grows |
|---|---|---|---|---|
| Open (Arena) | Yes | Yes | You are punctual and good with numbers | Grows when you share and when you take in feedback |
| Blind Spot | No | Yes | You sigh loudly when you disagree | Shrinks when others give you feedback |
| Hidden (Façade) | Yes | No | You feel anxious before presenting | Shrinks when you choose to disclose |
| Unknown | No | No | A talent for mentoring you have never tried | Revealed through new experiences or shared discovery |
Open. This is the shared ground. The more of you that sits here, the easier it is for people to trust and work with you, because there is less guessing.
Blind spot. This is what others see but you do not. Habits, tone of voice, how you react under pressure. It is the quadrant that feedback directly targets, and the focus of the rest of this guide.
Hidden. These are things you know but keep private, like insecurities, past experiences or opinions you hold back. Some privacy is healthy. The model does not ask you to share everything, only to notice when keeping something hidden is getting in the way.
Unknown. Neither you nor others are aware of these yet. They might be untapped strengths or reactions to situations you have not faced.
Why Blind Spots Matter So Much
Blind spots are tricky because, by definition, you cannot find them through reflection alone. You can journal, meditate and think hard about yourself, and still miss the fact that you finish other people’s sentences.
Blind spots also tend to be most visible to the people around you every day: teammates, managers, partners and close friends. In many workplaces, and in cultures where people are careful about saving face, colleagues may notice something for months without mentioning it. That silence is often kind or polite, but it leaves you working with an incomplete picture.
Shrinking your blind spot can help you:
- Understand why certain conversations keep going badly.
- Spot habits that undercut your credibility, such as over-apologising or sounding dismissive.
- Discover strengths others value that you take for granted.
- Build trust, because people see you are open to hearing the truth.
How to Ask for Feedback That Shrinks Your Blind Spot
The Johari window says the blind spot shrinks when others tell you what they see. In practice, simply asking “Any feedback for me?” rarely works. People say “No, all good” because it is the easiest and safest answer. These approaches tend to work better:
Ask specific, low-stakes questions. Instead of a broad request, try:
- “In today’s meeting, was there anything I did that made it harder for others to speak up?”
- “What is one thing I could do differently when I present?”
- “When I give you instructions, is anything unclear?”
Ask for one thing, not a full review. “One thing to keep doing and one thing to change” feels manageable and less confrontational.
Choose the right people. Pick a few people who see you in different settings and who you trust to be honest, not only those who always agree with you.
Make it safe. Ask privately, give people time to think, and say clearly why you are asking. Some people are more comfortable writing their thoughts down or using an anonymous form.
React well. This is the make-or-break step. Say “Thank you, that is useful”, even if it stings. Do not explain, justify or argue on the spot. If you get defensive, people will stop telling you things, and your blind spot will grow back.
Follow up. A few weeks later, mention what you changed and ask whether they have noticed a difference. This shows you took them seriously and invites more feedback.
Running a Simple Johari Window Exercise
The original exercise uses a list of adjectives. You can run a simple version with a team, a study group or even a couple of friends.
- Prepare a list of around 40 to 60 positive descriptive words, such as calm, organised, witty, patient, curious, dependable, bold and thoughtful.
- Choose five or six words from the list that you think describe you.
- Ask a few others to pick five or six words from the same list that describe you, independently.
- Sort the results:
– Words chosen by both you and others go in Open.
– Words chosen only by others go in Blind Spot.
– Words chosen only by you go in Hidden.
– Words no one chose sit in Unknown. - Reflect and discuss. Which blind spot words surprised you? Which hidden words would you like others to see more of?
Using only positive words keeps the exercise friendly and works well for new teams. Once trust is established, you can move to the more direct feedback questions above.
Common Pitfalls to Avoid
- Treating it as a personality test. The Johari window is a reflection tool, not a diagnosis or a label. If you want a temperament framework instead, see understanding your personality and temperament.
- Oversharing to grow the open pane. Disclosure should be appropriate to the setting. You do not need to share personal matters at work.
- Collecting feedback and doing nothing. If people see no change, they stop giving input.
- Only asking people who like you. Diverse perspectives reveal more.
- Expecting quick results. Blind spots shrink over months of steady, honest conversations, not after one exercise.
Making It a Habit
The Johari window works best as an ongoing practice rather than a one-off workshop. Build small feedback moments into your routine: after a project, at the end of a tough week, or before a performance review. Over time, your open pane grows, surprises become rarer, and the people around you learn that you genuinely want to hear what they see.
Further reading: How to Give Constructive Feedback