Content validation:

Question $1$ options:

A$.$ seeks to establish an empirical relationship between test scores taken prior to being hired and eventual performance on the job.

B$.$ refers to the degree to which a measure is free from internal defects of standardization.

C$.$ is performed by demonstrating that the questions or problems posed by a test are a representative sample of the kinds of situations or problems that occur on the job.

D$.$ is an estimate of whether a test appears to measure a certain criterion.

E$.$ assesses the validity of a test by administering it to people already on the job and then correlating test scores with existing measures of each person's performance.