Which of the following statements accurately describe a diagnostic test?
- A diagnostic test primarily aims to measure a student's overall achievement at the end of a learning unit.
 - Its main purpose is to identify the underlying causes of persistent learning difficulties and suggest remedial actions.
 - Diagnostic tests are typically high-stakes assessments used for grading students.
 - They help pinpoint specific areas where a student might be struggling, such as a particular math concept.
 
A1, 2
B2, 4
CAll
D2 only
