All of the following are examples of advantages of using in-home interviewing to
collect research data EXCEPT:
A) it enables the interviewer to provide clarifications to the respondent, allowing for
complex questions.
B) it permits the use of physical stimuli and allows the interviewer to display or
demonstrate the product.
C) it provides very good sample control since homes can be selected without generating
a list of all the homes in a given area.
D) it allows for longer interviews.
E) it permits easy interviewer supervision and control as the interviewers are traveling
door-to-door.
According to the text, while there is no single, optimal number, traditional guidelines
suggest that there should be between ________ categories when using itemized rating
scales.
A) one and four
B) five and nine
C) 10 and 14
D) 12 and 15
E) 15 and 19