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The TWTTP tool is a tool to quickly target a problem due to human error.

Introduction

In the problem solving methodology offered by WCM, the TWTTP tool is a tool to quickly target a problem due to human error.

The tool TWTTP, The Way To Teach People,
will identify the skill level of a person to perform a task. It is most commonly used in conjunction with the tool Herca analysis of the causes of human errors.

The method

The TWTTP assessment is based on 4 questions :

Does the employee know how to do the work ?

a. Yes

b. Not entirely

c. No

How does he know that the job is done correctly ?

a.Follows instructions (OPL, SOP…)

b. Auto-control

c. Other

How does he know that the work done is correct ?

a. The supervisor or a qualicien validates the work

b. Auto-control

c.Other

What does he do if there is a problem ?

a. Contact the supervisor or an immediate qualicien to identify a countermeasure

b. He simply warns his superior

c. Other

 

Interpretation

If only one answer got b or c, then we are in the case of a human error of skills and knowledge. We will then use the tool Herca.
to identify the root cause and implement the solutions to return to a situation where the assessment is to a.

If all the answers are at a , then we will use the tool Herca to identify the root cause in the methods or behavior groups.

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