. 2003 Apr;38(2):751–776. doi: 10.1111/1475-6773.00143

Table 2.

Likelihood Ratios for the Factor “Exploration of Problem and Customer Needs”

Factor Level	Successful Projects P(D₁∥S)	Failed Projects P(D₁∥F)	Likelihood Ratio $\frac{P (D_{1} \| S)}{P (D_{1} \| F)}$
The team talked to many customers to understand problem, personally experienced the customer need, and has data proving severity.	77	13	∼6/1
The team experienced problem firsthand and knows it well, but has no data to prove severity and did not involve customers.	22	78	∼1/3.5
The team has not experienced problem firsthand and has no data proving problem existence or severity.	1	9	∼1/9
Total	100	100