Free Practice Quiz Question List

4 Principles of Research Design Online Quiz Questions

Use this free practice quiz with 20 questions to review 4 Principles of Research Design, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

True or false: A cross-sectional study collects information at one time.

A
True
B
False

Choose one

1 point

Which is the best starting point for building a coherent research design?

A
Choose a statistical test first, then select a question that fits it.
B
Begin with a focused research question and plan the evidence needed to answer it.
C
Choose the easiest data-collection tool, then decide what conclusions it supports.
D
Select a large sample before defining what the study will investigate.

Choose one

1 point

A study examines whether participation in a tutoring program improves test scores. Which variable role best describes the test scores?

A
Independent variable
B
Control variable
C
Dependent variable
D
Confounder

Written response

1 point

A research team defines what “belonging” means in its study, then specifies the survey indicators it will use to measure it. What process is involved in specifying how the construct will be observed or measured?

Fill in the blank

1 point

A researcher has identified the target population and now needs the practical list or source from which to select participants. That list or source is the .

True or false

1 point

True or false: Probability sampling can support population estimates when well executed, but nonresponse and other sources of bias can still matter.

A
True
B
False

Choose one

1 point

A researcher wants detailed accounts from people who have direct experience with a particular phenomenon. Which sampling approach is best aligned with that goal?

A
Convenience sampling, because it selects participants who are easy to reach
B
Purposive sampling, because it selects people with relevant experience
C
Simple random sampling, because every member must have an equal chance of selection
D
Cluster sampling, because it selects whole groups rather than individuals

Choose all

1 point

Select all statements that correctly describe probability sampling.

A
It uses a random selection process.
B
It selects participants only because they are easy to reach.
C
Members of a defined population have a known chance of inclusion.
D
Simple random, stratified, and cluster sampling are examples.

Written response

1 point

In an observational study, what is the term for a factor associated with both the explanatory factor and the outcome that may distort their apparent relationship?

Fill in the blank

1 point

In measurement, concerns whether a measure or procedure supports the interpretation a researcher intends to make.

Choose one

1 point

A researcher surveys a very large number of volunteers recruited through one online group, then claims the results represent an entire national population. What is the most defensible assessment?

A
The large sample guarantees that the results represent the target population.
B
The sample size alone removes the effects of selection bias.
C
The large sample may still misrepresent the population because its selection is biased.
D
The findings can be generalized as long as the survey has many responses.

Choose all

1 point

A researcher asks whether a support program causes improved outcomes. Select all design features that would help the study address this causal question.

A
Plan an appropriate comparison group.
B
Consider when the exposure and outcome occur.
C
Use a one-time survey without addressing alternative explanations.
D
Address plausible alternative explanations for the outcome.

Choose one

1 point

Before collecting data, which set of considerations best reflects the ethical feasibility of a research design?

A
Whether the project uses numerical or categorical variables
B
Participant burden, privacy, informed consent, and potential harms
C
Whether the chosen statistical test is popular in the field
D
Whether the study can avoid defining its target population

Open ended

1 point

A researcher asks, “How do first-year students describe the challenges of adjusting to college?” Propose a data-collection method and sampling approach aligned with this question. State one conclusion the resulting evidence could support and one it could not support.

Choose one

1 point

A researcher asks, “How do first-year students describe the challenges of adjusting to college?” Which design is best aligned with this question?

A
A one-time survey of a probability sample, designed to estimate how common each challenge is
B
Semi-structured interviews with purposefully selected first-year students
C
An experiment assigning students to different college-adjustment conditions
D
A numerical measure of academic achievement collected once from all available students

Written response

1 point

A study examines whether participation in a tutoring program is related to students’ test scores. What variable role do the test scores have? Enter the role’s standard name.

Choose one

1 point

A researcher wants to study sleep. Which choice most clearly operationalizes sleep as nightly duration?

A
Listing sleep as a broad concept of interest
B
Defining sleep generally as a form of rest
C
Recording each participant’s nightly sleep duration in a diary
D
Asking participants whether sleep is important to them

True or false

1 point

A research team collects information from the same participants at several different times. This is a cross-sectional design.

A
True
B
False

Choose one

1 point

A study compares tutoring-program participants with nonparticipants on test scores. Prior achievement is associated with both participation and scores. What role could prior achievement play in interpreting the relationship?

A
Confounder
B
Dependent variable
C
Sampling frame
D
Measurement error

Written response

1 point

A researcher has identified the target population and now needs the practical list or source from which to select participants. What is this list or source called?