In this video, I explain the fishbone diagram as known as Ishikawa diagram.
https://farhatlectures.com/
CPA candidate or student? Start your free trial for more.

A fishbone diagram, also known as an Ishikawa diagram or cause-and-effect diagram, is a tool used for systematically identifying and presenting all possible causes of a problem and the effects that result. It's particularly useful in quality management for categorizing potential factors causing an overall effect. The structure of the diagram resembles a fish's skeleton, with the problem at the head and the causes extending to the left as "bones," which can be split into further branches.

Here’s how it works:

Identify the Problem: At the head of the diagram, the team defines the problem to be solved. This is typically a quality issue or process inefficiency that is written out clearly.

Create the Main Bones (Major Categories of Causes): Branching out from the problem are lines leading to categories of potential causes. Common categories include "Methods," "Machines," "Materials," "Measurements," "People," and "Environment," but these can vary depending on the specific context.

Add Sub-Causes: For each main category, smaller lines branch off to identify specific causes. This step can continue with sub-branches to further detail the factors contributing to the main cause.

Analyze: Once all possible causes are listed, teams analyze them to identify those that have the most significant impact or are the most likely root causes of the problem.

Prioritize Action Steps: The team can then prioritize the causes to address, based on which are most likely to yield improvements.

The power of the fishbone diagram lies in its collaborative nature; it facilitates group discussion and is an effective way to breakdown a problem into more manageable parts. This visual representation helps teams understand the cause-and-effect relationships at play and to target their problem-solving efforts effectively.

Problem Statement: The head of the fish will state the problem: "Late Delivery of Products."

Main Categories of Causes: Possible main categories (bones) branching out from the problem could include:

Suppliers: Delays in supplying raw materials.
Processes: Inefficiencies in the production process.
People: Staff shortages or lack of training.
Equipment: Machinery breakdowns or maintenance issues.
Materials: Quality issues with raw materials.
Environment: External factors like weather or traffic conditions.
Sub-Causes: We would then break down each category further. For instance, under "People," we might have "Vacation time not covered" or "Training not up to date."

Analysis and Prioritization: After brainstorming, the team might find that "Suppliers" and "Processes" are the most significant categories contributing to late deliveries and decide to focus on improving supplier communication and streamlining production.

#cpaexaminindia #cpaexam #cpaexamevloution