Here are some failures for using the lean startup approach

1. TOP 10
failures using
lean startup

2. # 1
No concrete and specific hypotheses
were formulated. The statements are
too vague or general.

3. # 2
No clear measurement criteria for
success were defined in advance.

4. # 3
Poor customer selection:
Only classic segmentation criteria
like age, gender etc. are used or
the customer segment is too broad.

5. # 4
customers are asked straight away
if they like the business idea or
want to buy the product and
how much they would pay for it.

6. # 5
Hawthorne effect is ignored.
Customers change their natural
behaviour/attitude under
observation/questioning.

7. # 6
Selective perception:
Only some (expected) statements or
behavioral patterns are focused on
and everything else is faded out.

8. # 7
The Minimum Viable Prototyp is
a quasi-ready product
with a variety of features.

9. # 8
A prototype test is not a sales pitch.
It is not about selling,
but about getting qualified feedback.

10. # 9
After each interview, the questions
or, even worse, the entire business
model is changed.

11. # 10
Negative customer feedback is
considered a mistake and the person
who made it is sanctioned for it.

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