Table 2 Likert scales and numerical values
From: Development of a bespoke phantom to optimize molecular PET imaging of pituitary tumors
Confidence rating | Numerical values | |
|---|---|---|
True | False | |
Not confident at all | 0 | 0 |
Slightly confident | + 1 | − 1 |
Somewhat confident | + 2 | − 2 |
Fairly confident | + 3 | − 3 |
Completely confident | + 4 | − 4 |