Chapter 2
Why print the menu before guests prove they want it?
Sao phải in menu trước khi biết khách có gọi?
The chapter's question
How long do I test a drink before putting it on the main menu?
Big idea
A handwritten board can test a drink for two weeks at almost no cost.
In this chapter
Part 2.1
The Chalkboard Test
Where is my trial drink displayed?
Part 2.2
How Many Cups Decide
How many cups sold do I treat as enough data?
Part 2.3
Asking After the First Cup
What do I ask the people who try it?
Part 2.4
The Keep-or-Kill Threshold
What threshold do I set in advance for keeping the drink?
The reading for this chapter is inside Conan School
This chapter has 4 readings, with case stories and exercises. Chapter 1 of New Drinks and Seasons is free to read right here.
Read in Conan School