Chapter 2

Is the final check really the safest checkpoint?

Kiểm tra ở khâu cuối có phải chỗ an toàn nhất?

The chapter's question

At which step are my errors usually caught?

Big idea

The same error costs one if caught at step one, and many times more if caught by the customer.

In this chapter

  1. Part 2.1

    Mapping Where Errors Surface

    At which leg does each kind of defect surface?

  2. Part 2.2

    Checking at the Source

    Can the worker check their own work?

  3. Part 2.3

    Sampling or Checking Everything

    When is inspecting everything worth it?

  4. Part 2.4

    The Cost of Checking

    Does over-inspecting cost more than the defects?

The reading for this chapter is inside Conan School

This chapter has 4 readings, with case stories and exercises. Chapter 1 of Errors and Rework is free to read right here.

Read in Conan School

Chapters of Errors and Rework

  1. 1.Does rework really cost only a little time?
  2. 2.Is the final check really the safest checkpoint?
  3. 3.We found who made the mistake. Are we done?
  4. 4.Will one more reminder make the mistake go away?
  5. 5.Does a team that reports few errors make few errors?