Answer:
- Validity.
Step-by-step explanation:
Validity or authenticity is of the chief concern while assessing or evaluating any kind of assessment or test. The psychologists compare the scores in the aptitude test and grades received by students in the school with the primary aim to test the 'validity' of the aptitude test as the general intelligence or cognitive potential of a student is highly associated with his academic performance in school. Therefore, if there's a valid contradiction between the aptitude test scores or the grades in school this must reflect that the child is suffering from some kind of stress or anxiety that has led him/her to perform poorly as compared to their natural intelligence(as per the psychologists) and they(psychologists) would aim to look for the factors or reasons leading to such problem.