<span>Advertising. Advertising tends to be extremely expensive but does not always provide much returns, and often goes completely ignored by the target audience or only reaches the people you already knew about.</span>
I believe the answer is: <span>arbitrary inference
</span><span>arbitrary inference refers to the process of creating a conclusion without sufficient evidences to back it up.
We can see this arbitary interference by observing marta's thought that believe Demerio is </span><span>older and losing my physical abilities without even seeing him doing the task.</span>
Ralph's attitude is best described as an example of "prejudice".
Prejudice is a full of feeling towards a man or gathering part construct exclusively in light of that individual's gathering participation. The word is frequently used to allude to biased, generally negative, sentiments towards individuals or a man as a result of their sex, sex, convictions, values, social class, age, incapacity, religion, sexuality, race/ethnicity, dialect, nationality, magnificence, occupation, training, guiltiness, don group connection or other individual qualities.