5 Questions
Which of the following is a key characteristic of a good experimental design?
Reproducibility
What is the purpose of selecting a control group in an experiment?
To act as a point of reference and comparison
Which type of variable must be quantitative (numerical) in an experiment?
Dependent variable
What is the purpose of operationalizing variables in a study?
To specify what is meant by each variable
Why is it important for the control group to be as similar as possible to the experimental group?
To rule out extraneous or confounding variables
Test your knowledge of research methods and study design with this quiz! Learn about experimental design, selecting a population for your study, operationalizing independent and dependent variables, reproducibility, and more. Challenge yourself with questions on quantitative variables and the importance of direct manipulation.
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