Podcast
Questions and Answers
What is an independent variable (IV) in a research study?
What is an independent variable (IV) in a research study?
- The variable that is affected by the manipulation of the IV
- The outcome of the study
- The variable manipulated by the researcher (correct)
- The variable measured by the researcher
How many levels can an independent variable have in an investigation?
How many levels can an independent variable have in an investigation?
- Three levels
- Two levels (correct)
- One level
- Unlimited levels
In a study examining the influence of caffeine on performance, what would be the independent variable (IV)?
In a study examining the influence of caffeine on performance, what would be the independent variable (IV)?
- The participants
- The level of caffeine (correct)
- Work performance
- The outcome of the study
What is a dependent variable (DV) in a research study?
What is a dependent variable (DV) in a research study?
Why should the dependent variable (DV) be affected by the manipulation of the independent variable (IV)?
Why should the dependent variable (DV) be affected by the manipulation of the independent variable (IV)?
How can one identify the dependent variable (DV) in an investigation?
How can one identify the dependent variable (DV) in an investigation?
Why is it important to operationalize variables in a study?
Why is it important to operationalize variables in a study?
What is the term used for factors in an investigation that may interfere with the IV or DV?
What is the term used for factors in an investigation that may interfere with the IV or DV?
If an extraneous variable affects the outcome of a study, what is it called?
If an extraneous variable affects the outcome of a study, what is it called?
What do demand characteristics in a study refer to?
What do demand characteristics in a study refer to?
Why are extraneous variables important to control in a study?
Why are extraneous variables important to control in a study?
How do confounding variables affect research outcomes?
How do confounding variables affect research outcomes?
