Collocations for usefulness - noun

limited, some
general
practical
potential

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

lose
Many people claim that the word has lost its usefulness.

assess, determine, evaluate, examine
question
demonstrate, prove
outlive
The advisory group has outlived its usefulness.

of … usefulness
The theory is of limited usefulness.

usefulness for
the exam's usefulness for ranking students

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

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