An Indication of the Validity of a Diagnostic System Is

question 21

True/False

An indication of the validity of a diagnostic system is whether or not it provides information we did not have when we defined a category.

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Definitions:

Range

The difference between the highest and lowest values in a set of numbers, or the extent of variation.

Detected

Discovered or found out through careful observation, investigation, or the use of specialized equipment.

Methanogens

Microorganisms that produce methane as a metabolic byproduct in anoxic conditions.

Chemoautotrophs

Organisms that obtain energy by the oxidation of inorganic substances, such as hydrogen sulfide or ammonia, and use this energy to convert carbon dioxide into organic matter.