TNT Cable Channel Began Using the Slogan,"TNT Knows Drama," in Early

Multiple Choice

TNT cable channel began using the slogan,"TNT knows drama," in early 2002.It wants to determine how its viewership has changed since it has changed its programming focus.It has decided to use secondary data to determine if its viewers' demographics have changed.A potential disadvantage of this research plan is:

A) the difficulty of holding certain variables constant while varying one factor of interest
B) the high cost of collecting secondary data
C) the length of time it takes to collect secondary data
D) interviewer bias during the collection process
E) the information not fitting the needs of the research problem