Questions And Topics We Can Help You To Answer
- What is self-selection bias?
2. What distinguishes observation studies from surveys? Do observation studies versus surveys tend to gather qualitative or quantitative data? What types of information are commonly measured with observation studies versus surveys?
3. What potential sources of error might be associated with the following situations? Select any three and explain why
a. In a survey of frequent fliers age 50 and older, researchers concluded that price does not play a significant role in airline travel because only 25 percent of the respondents check off price as the most important consideration in determining where and how they travel, while 35 percent rated price as unimportant.
b. A survey of voters finds that most respondents do not like negative political ads—that is, advertising by one political candidate that criticizes or exposes secrets about the opponent’s “dirty laundry.”
c. A company’s sales representatives are asked what percentage of the time they spend making presentations to prospects, traveling, talking on the telephone, participating in meetings, working on the computer, and engaging in other on-the-job activities. What potential sources of error might be associated with asking such a question?
d. A survey comes with a Water Hardness Packet to test the hardness of the water in a respondent’s home. The packet includes a color chart and a plastic strip to dip into hot water. The respondent is given instruction in six steps on how to compare the color of the plastic strip with the color chart that indicates water hardness.
e. A sample of 14-year-old school children is asked if they have ever smoked a cigarette. The students are asked to respond orally in the presence of other students.
f. A survey conducted by the National Endowment for the Arts asked, “Have you read a book within the last year?”
I will also add two paragraphs LATER for you to comment on. the comment shouldn't be long. coupe of sentences would be fine.
331 Words 1 Pages
