lan, in charge of selection, wants to decrease the size of his applicant pool for entry level electrical workers. This job, like most in his organization, requires an employment test. What should he do$?$

Select one:

a$.$ Lower the cut score on the employment test.

b$.$ Raise the cut score on the employment test.

c$.$ Increase the concurrent validity of the employment test.

d$.$ Increase the reliability of the employment test.