Exam 7: Asking People About Themselves: Survey Research

Political analysts are interested in analyzing the social perceptions of the current Democratic Party candidates in New York City.The number of registered Democrats and Republicans in the city is known.To form a sample of 1000,the analysts send out a team to sample the Democrats and the Republicans in proportion to the numbers registered.The team goes to major shopping malls and stops people as they enter,asking whether they are registered with one of the two parties.If so,the person is asked to fill out a questionnaire.The sampling technique used here would best be described as:

The _____ is the actual population of individuals,or clusters,from which a random sample will be drawn.

It is important to use _____ sampling when researchers want to make precise statements about a specific population on the basis of the results of their survey.

To study diversity in an organization,10 employees belonging to different departments are brought together by a psychologist to discuss their perceptions of diversity in the company.In the context of interviews,this is an example of a(n)_____.

A professor of mathematics wants to study how the students in his college perceive the subject.He walks into the college cafeteria and starts asking the students present there if they like mathematics.Which sampling technique is used by the professor in this scenario?

With _____ sampling technique,each member of the population has an equal probability of being selected for the sample.

Which of the following is a disadvantage of interviews?

The _____ in a survey is simply the percentage of people in the sample who actually completed the survey.

To test the hypothesis that younger people are more opposed to the use of nuclear energy than older people,the best method would be a(n)_____.

Using a 95% confidence interval,Mike reports that 48% to 52% of the population favors Proposition D.The difference between 48% and 52% reflects the _____.

In a survey,social desirability response sets can be reduced by:

Angelika wants to study how sixth graders perform in math exams.She obtains a list of all districts in the state,randomly selects 5% of the districts,and administers achievement tests to all sixth graders in these districts.This sampling method used by Angelika is called _____ sampling.

Ricardo wants to study the academic performance of graduate students in the U.S.First,he decides that he will study schools in only 15 states and randomly selects those states.He then randomly selects 30 schools from these 15 states.Over a period of 3 months,Ricardo travels to these 30 schools and studies the academic performance of their students.Identify the sampling technique used by Ricardo in this scenario.

_____ sampling has the advantage of a built-in assurance that the sample will accurately reflect the numerical composition of the various subgroups.

The city council wants to examine the citizens' opinions about allowing dogs at the city's beaches.It prepares a list of all the blocks in the city and randomly selects 20% of the blocks to sample.It then surveys all residents of the selected city blocks.Which of the following sampling techniques does this sampling strategy exemplify?

Which of the following best describes the relationship between sample size and confidence interval?

A researcher stands outside a restaurant and asks the youngsters leaving the restaurant if they enjoyed the food there.What type of sampling technique has the researcher employed?

Jake's research methods instructor asks him to conduct a survey on "cheating" with a random sample of graduate students.To save time,he goes to the cafeteria and distributes the survey questionnaires among the students present there.In this case,the sampling method used by Jake is called _____ sampling.

To assess the presidential candidate preferences of the registered voters in Maricopa county,classified by social class and age,a researcher randomly selects voters from each subgroup according to their proportion in the entire county.This sampling technique is called _____ sampling.

During a survey,Alberto was asked to indicate his age,gender,and marital status.Which type of survey questions do these items represent?