Population and sampling quiz

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Question #1

Non-randomly selecting subjects with as many opinions, views, and/or backgrounds as possible.

A Snowball sampling

B Expert sampling

C Heterogeneity sampling

D Modal instance sampling

E Quota sampling

Question #2

Non-randomly selecting subjects with known or demonstrable experience or knowledge in some area.

A Heterogeneity sampling

B Expert sampling

C Snowball sampling

D Modal instance sampling

E Quota sampling

Question #3

Non-randomly selecting subjects who meet a specific criteria, then asking them to help recruit others who meet the same criteria.

A Quota sampling

B Expert sampling

C Heterogeneity sampling

D Modal instance sampling

E Snowball sampling

Question #4

Non-randomly selecting subjects that represent the most frequent case or typical case.

A Expert sampling

B Heterogeneity sampling

C Modal instance sampling

D Quota sampling

E Snowball sampling

Question #5

Non-randomly selecting subjects with certain characteristics until a specific proportion or number is reached.

A Modal instance sampling

B Quota sampling

C Snowball sampling

D Heterogeneity sampling

E Expert sampling

Question #6

Which of the following is NOT true?

A All these are true.

B Nonprobability sampling is generally more biased and more difficult to generalize to the population.

C Nonprobability sampling is generally less expensive, quicker, and more convenient.

D Probability sampling is considered to be more accurate and rigorous.

E Probability sampling involves random selection, but non probability sampling does not.

Question #7

Researchers conducted a study on Google employees. They got a list of all Google employees, and then randomly selected 100 employees to interview.

A Cluster Random Sampling

B Stratified Random Sample

C Multi-Stage Random Sampling

D Simple Random Sampling

E Systematic Random Sampling

Question #8

Researchers randomly select 20 national parks in the United States. Then, they survey all the volunteers in each of the parks.

A Cluster Random Sampling

B Stratified Random Sampling

C Systematic Random Sampling

D Multi-Stage Random Sampling

E Simple Random Sampling

Question #9

Each day, a quality control inspector randomly selects one watch on an assembly line to ensure it conforms to quality, compliance standards, and workmanship. Then the inspector selects each 100th watch to inspect.

A Systematic Random Sampling

B Simple Random Sampling

C Multi-Stage Random Sampling

D Stratified Random Sampling

E Cluster Random Sampling

Question #10

At a large high school with 5000 students, there are 50% Latinos, 25% African Americans, 15% Whites, and 10% Asians. The researchers randomly selected 100 students at the school (i.e., 50 Latinos, 25 African Americans, 15 Whites, and 10 Asians) for focus groups.

A Multi-Stage Random Sampling

B Cluster Random Sampling

C Systematic Random Sampling

D Stratified Random Sampling

E Simple Random Sampling

Question #11

Researchers want to conduct focus groups with high school students in Oklahoma. First, the researchers randomly select 10 high schools in the state. Then they randomly select 8 students at each high school to participate in the focus groups. Thus, they end up with 10 focus groups (one at each school) with 8 students each.

A Cluster Random Sampling

B Stratified Random Sample

C Simple Random Sample

D Multi-Stage Random Sampling

E Systematic Random Sampling

Question #12

Researchers are investigating police officer attitudes in New York City. The researchers randomly selects 10 police stations in New York City. Then they give a survey to every police officer at each of the selected police stations.

A Cluster Random Sampling

B Simple Random Sampling

C Systematic Random Sampling

D Stratified Random Sampling

E Multi-Stage Random Sampling

Question #13

A researcher is investigating HDL and LDL in young adults. She randomly selected equal numbers of men and women from a sample of college students. Which of the following would be the best method of random sampling?

A Multi-Stage Random Sampling

B Convenience Sampling

C Systematic Random Sampling

D Cluster Random Sampling

E Stratified Random Sampling

Question #14

Researchers randomly select voters from Los Angeles County. A list of voters is provided by voter identification number. First, the researchers randomly select one voter (e.g., #007), and then select every 1000th voter (e.g., #1007, #2007, #3007) until they get 300 voters.

A Cluster Random Sampling

B Stratified Random Sample

C Systematic Random Sampling

D Multi-Stage Random Sampling

E Non Probability Sampling

Question #15

Which of the following is NOT true regarding population/sampling issues?

A Some groups are less likely to participate in research.

B Some strategies to overcome language issues are translation questionnaires, back translating the questionnaires, and having trained research assistants who are multilingual.

C Specifying/identifying the respondents can be challenging.

D Some populations are easy to specify and some are hard to specify.

E All these are true.

F Questionnaires can be challenging for low-literacy adults or young children.

Question #16

Which of the following populations is difficult to specify?

A Incarcerated murderers

B Legal business owners in Burbank, CA

C Unemployed stay-at-home-dads

D Students at Van Nuys High School

E Registered pedophiles

Question #17

The preschool children who have complete data and are used in the analyses.

A Theoretical population

B Sampling frame

C Accesible population

D Subsample

Question #18

A list of children in 50 randomly selected preschools

A Sample

B Subsample

C Sampling frame

D Accesible population

Question #19

Preschooler-aged children

A Sampling frame

B Theoretical population

C Subsample

D Sample

Question #20

The preschool children from the 50 preschools who participate in the study

A Sampling frame

B Subsample

C Accesible population

D Sample

Question #21

Preschool children in preschools

A Accesible population

B Subsample

C Theoretical population

D Sampling frame

Question #22

A listing of the accessible population from which the researchers will draw the sample.

A Sample

B Subsample

C Sampling frame

D Accesible population

Question #23

The population the researchers are interested in generalizing to.

A Sampling frame

B Subsample

C Accesible population

D Theoretical population

Question #24

The population that is accessible to the researchers.

A Sample

B Sampling frame

C Theoretical population

D Accesible population

Question #25

The group that actually completes the study and is used in the data analyses.

A Theoretical population

B Subsample

C Sample

D Sampling frame

Question #26

The group of people who are selected to be in the study.

A Subsample

B Sampling frame

C Accesible population

D Sample

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Population and sampling quiz

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