Collocations for usefulness - noun

limited, some | general | practical | potential

have | increase | diminish, limit, reduce
Badly written questions limit the usefulness of questionnaires.

assess, evaluate, question | demonstrate, prove | exhaust, outlive
The advisory group has outlived its usefulness.

of … ~
The theory is of limited usefulness.

~ for
the exam''s usefulness for ranking students

~ in
the drug''s usefulness in the treatment of cancer

~ to
The report is of potential usefulness to the government.