Which of the following is TRUE?
a. A double-barreled question combines two questions into one and thereby creates
confusion for the respondent.
b. It is extremely important that the first few questions on a questionnaire be simple,
interesting, and in no way threatening to the respondents.
c. Opinion questions are typically good openers for a questionnaire because people like
to feel their opinion is important.
d. Both a and b.
e. a, b, and c.
One advantage of the one-scale bar chart over the pie chart is
a. there is no advantage; both present the same information.
b. it is easier to understand.
c. it can be used to indicate magnitude of the variable categories.
d. it illustrates change over time.
e. it indicates relative percentages of the variable categories.