Rather than giving individualized tests to assess learning disabilities to thousands of students, a school system decides to first use a shortened version of the test that can be given in a group form. this decision is mostly concerned with which test worthiness issue?
a. practicality
b. validity
c. statistical formation
d. reliability
e. cross-cultural fairness

Practicality.

Explanation:

Practicality may be defined as the state of being practical or the situation in which the task is being performed rather than giving ideas or theories. The practicality is more accepted in the research.

The school has directly use the test version rather than giving individual tests to find the learning disability. Here, the school has directly performed the test task rather than being giving ideas on tests. They are more concerned with the practicality issue.

Thus, the correct answer is option (a).