Research Methods Review

What is a hypothesis?

• A wild guess

• A testable statement about a relationship

• A well-established fact

• An opinion

When researchers repeat a study to see if they get the same results, they are conducting a:

• New experiment

• Survey

• Replication

• Case study

In a research study, data is collected through questionnaires or interviews. What method is being used?

• Correlation

• Case study

• Survey

• Naturalistic observation

The entire group that a researcher is interested in studying is called the:

• Sample

• Control group

• Target population

• Experimental group

What is a smaller group selected from the target population for the purpose of research?

• Stratified sample

• Control group

• Sample

• Experimental group

If each member of the target population has an equal chance of being selected, what type of sample is being used?

• Volunteer sample

• Random sample

• Stratified sample

• Convenience sample

Which of the following is NOT a potential issue with volunteer bias?

• Participants may not accurately represent the target population.

• Participants may be too eager to participate.

• Participants may provide biased responses.

• It ensures diverse participation.

What research method involves an in-depth examination of a single individual over an extended period?

• Survey

• Longitudinal method

• Case study

• Cross-sectional method

The research design that involves studying the same group of individuals over an extended period is called:

• Cross-sectional method

• Longitudinal method

• Experimental design

• Naturalistic observation

Which type of correlation indicates that an increase in one variable is associated with an increase in another variable?

• Negative correlation

• No correlation

• Positive correlation

• Zero correlation