Table 1

Descriptors suggested for 5-anchor scales aimed at measuring diagnosis, investigation and treatment tasks.

If you were thinking of the following diagnosis...

...and the following new information were to become available...

...this hypothesis would become...

Diagnosis option

New information

-2 -1 0 +1 +2

-2: very unlikely

-1: unlikely

0: neither likely nor unlikely

+1: more likely

+2: very likely


Anchor descriptors for the diagnosis format


If you were considering the usefulness of the following investigation...

...and the following new information were to become available...

...you would then consider the investigation...

Investigative option

New information

-2 -1 0 +1 +2

-2: useless

-1: less useful

0: neither more nor less useful

+1: useful

+2: very useful


Anchor descriptors for the investigation format (utility issue)


If you were considering the risk-benefit ratio of the following investigation...

...and the following new information were to become available...

...this new information would make the investigation...

Investigative option

New information

-2 -1 0 +1 +2

-2: strongly contraindicated

-1: contraindicated

0: neither more or less indicated

+1: indicated

+2: strongly indicated


Anchor descriptors for the investigation format (risk-benefit issue)


If you were considering the utility of the following treatment...

...and the following new information were to become available...

...you would then consider this treatment...

Treatment option

New information

-2 -1 0 +1 +2

-2: useless

-1: less useful

0: neither more or less useful

+1: useful

+2: very useful


Anchor descriptors for the treatment format (utility issue)


If you were considering the risk-benefit ratio of the following treatment...

...and the following new information were to become available...

...you would then consider the treatment...

Treatment option

New information

-2 -1 0 +1 +2

-2: strongly contraindicated

-1: contraindicated

0: neither more or less indicated

+1: indicated

+2: strongly indicated


Anchor descriptors for the treatment format (risk-benefit issue)


Fournier et al. BMC Medical Informatics and Decision Making 2008 8:18   doi:10.1186/1472-6947-8-18

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