Because people believe that mental functioning or intelligence is important for most jobs, tests are among the most frequently used predictors in selection.

cognitive ability

Explanation:

Cognitive ability -

It refers to as the capability of the person to use his or her mental reasoning , skills for  abstract thinking , complex idea comprehension , peculiar problem analysis etc. , is a very efficient manner , is referred to as the cognitive ability .

It helps to determine the capacity of a human being to process thoughts and logical thinking .

Hence , from the given information of the question ,

The correct answer is cognitive ability .

it would be d). more resources must be obtained to attain that combination of goods and services

it brings together the military and civilian sectors of society to harness the total power of the nation. it is the mechanism that facilitates the successful prosecution of any conflict.it brings together the military and civilian sectors of society to harness the total power of the nation. it is the mechanism that facilitates the successful prosecution of any conflict.