Answer:
Scarcity
Step-by-step explanation:
The media influenced the viewers' attitude in a positive way so that they donate money toward the cause. The media influenced the viewers with a technique called 'scarcity'
Scarcity is a media persuasion technique that conveys to viewers that 'People cannot have what they need, hence they have to be helped'
Since the story is based on a young girl who had cancer but did not have proper medical insurance to cover the expenses of her treatment due to how difficult it has been for her to meet her daily expenses, is simply portraying a scenario of scarcity