Chapter 5.3, Problem 5.72E

(a)

To determine

To discuss the advantages and disadvantages of the method used in each.

Explanation of Solution

Diary Method Advantage: Very personalized, since every household sends in a diary.

Diary Method Disadvantage: Some households may forget to send in their diary.

(b)

To determine

To discuss the advantages and disadvantages of the method used in each.

Explanation of Solution

Roster-Recall Method Advantage: Eliminates nonresponse bias.

Roster-Recall Method Disadvantage: People surveyed may forget what programs they watched that week.

(c)

To determine

To discuss the advantages and disadvantages of the method used in each.

Explanation of Solution

Telephone-Coincidental Method Advantage: There is no chance that the respondent would be able to inaccurately report what they are watching.

Telephone-Coincidental Method Disadvantage: This method may take a long time because many households probably would not have the TV on at the exact moment the surveyor calls.