Answer: b)Change blindness
Explanation:
Change blindness is defined as situation where alteration in visual stimulus takes place but gets unnoticed by the observer. Change blindness usually occurs in situation where visual rapidly flickers, attention of observer is moved etc.This causes distraction is careful observation of person.
According to the question,if a person fails to notice shorter length of sideburns because switching of focus from one man to another caused distraction in attention .Thus, it is a case of change blindness.
Other options are incorrect because face recognition, component oriented recognition and bottom-up process is not depicted through question's scenario.Thus, the correct option is option(b).
That would be survey research.
Surveys are used for the political polls as they are very good and appropriate for this kind of research as they consist of questions that have the aim of eliciting the specific information and data from the people about a particular subject. Surveys can take a wide variety of forms be that a simple phone interview or a kind of online survey.
C => consumption is the largest category
It was about economics not a society