Answer:
The correct answer is: Stablishing the tests validity.
Step-by-step explanation:
Establishing the tests validity is understood as the act of evaluating whether a particular test measures what it says it mesures.
It is the most important criteria in establishing the quality of a test.
A test that has not been proved to have validity is obsolete and its results are unnecesary.
In this particular case, Dr. Chu developed a spatial reasoning test. She is then comparing the scores on her test with the scores and grades of students enrolled in courses that involve spatial reasoning.
In this instance, Dr. Chu is in the process of Stablishing the tests validity.