KISS Review Framework
An action-orientated review model to convert past experience into practice.
5 Whys Technique
Get to the root cause of an issue by asking "why" repeatedly.
First Principles
Start from the basics and find a new, more logical way of doing things.
FMEA Methodology
Identify failure modes and prioritize risks.
DEEP Technique
Protect your emotional boundaries.
Research Funnel Model
Understand users with clarity, even when resources are tight.
5 Sos Technique for Problem Solving and Strategic Thinking
Continuously asking “So what might happen next?” to project how one event could trigger another.
5W1H
Gather comprehensive information and provide clarity in various situations.
Brainstorming
A creativity technique designed to generate a large number of ideas.
Zoom-In and Zoom-Out Model
Allows you to handle challenges with clarity, whether you need to see the big picture or focus on the details.
Freud’s Iceberg Theory
Developed from human psychology, it help us understand how the conscious and unconscious mind interacts.
Fishbone Diagram
A simple yet powerful tool that helps you analyze and solve problems in a structured way.
SCAMPER Method
Generate new ideas by systematically remixing existing products, processes, and assumptions.
Outcome Discovery Canvas
Define measurable outcomes and success metrics before you commit to building features.
DIKW Model
Move beyond information overload and make truly wise decisions.
Magic Loop Framework
Capture feedback, act on it, make changes stick, and report back with clarity.
Four-Step Innovation Model
Turn raw ideas into market-ready products through a disciplined, four-stage innovation pipeline.
4Ps Problem-Solving Framework
Discover the real problem before solving it.
POEMS Framework
Gives teams a clear way to observe, classify, and interpret user behavior.
5 Whys Technique
Why Use the 5 Whys?
The 5 Whys technique is valuable because it digs deeper into the problem, helping you move past surface-level symptoms to understand the core issue.
This approach leads to more effective solutions and helps prevent the problem from recurring in the future.
After identifying a category or potential cause from Fishbone Diagram, 5 Whys technique can be used to explore that cause further.
Origins of the 5 Whys
The 5 Whys technique is often associated with Sakichi Toyoda, the founder of Toyota Industries.
It was developed as part of the Toyota Production System (TPS), a system famous for its emphasis on continuous improvement.
While Toyota popularized the technique in manufacturing, similar problem-solving methods have been used across various industries.
The concept is simple: when faced with a problem, you ask "why" it occurred, and then continue asking "why" to each subsequent answer, ideally five times or until you reach a fundamental cause.
This process continues until you identify the fundamental cause.