Mass media refers to a diverse array of media technologies that reach a large audience via mass communication. Examples include television, radio, newspapers, etc. The type of medium you may be referring to is a particular form of storage for digitized information, such as magnetic tape or discs or the material or form used by an artist, composer, or writer.
the answer should be: The study's construct validity
A study's construct validity refers to the degree to which the experiments made in the study actually measures what it intended to measure. This can be seen on the study's standard of measurement and the correlation between variables used in the measurement and the actual phenomenon.
After hearing the claimed made by the teacher, Clarissa's immediately question whether the act of bullying can be measured.
She brought up an important point. The teacher never really specify what act considered as 'bullying'. Depending on people's perception, some consider a slight discomfort from social interaction might be considered as bullying, while other people might have the threshold. Because of this, she can say that the study's construct validity is questionable.
I believe the answer is: Drive theory
Drive theory refers to The theory that aimed to find the explanation of why an individual behave they way he/she does.
The analyzation process in this theory often started with physical needs before moving up to other complex desire.