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Athabasca University
Psychology Identifying independent versus
dependent variables Questions and Answers
Latest 2026
Rate of yeast growth Ans: You want to measure the effect of
different amounts of oxygen on the rate of yeast growth. What is
the dependent variable?
Removal of a certain part of the brain Ans: You think that a certain
part of your brain is important in memory. To test this, you will
remove this part of the brain from rats and see if they remember
how to get through the maze. What is the independent variable in
this experiment?
Height of plant Ans: You want to see if playing music makes
plants grow taller. What is the dependent variable in this
experiment?
© 2025 All rights reserved
Athabasca University
Psychology Identifying independent versus
dependent variables Questions and Answers
Latest 2026
Rate of yeast growth Ans: You want to measure the effect of
different amounts of oxygen on the rate of yeast growth. What is
the dependent variable?
Removal of a certain part of the brain Ans: You think that a certain
part of your brain is important in memory. To test this, you will
remove this part of the brain from rats and see if they remember
how to get through the maze. What is the independent variable in
this experiment?
Height of plant Ans: You want to see if playing music makes
plants grow taller. What is the dependent variable in this
experiment?
© 2025 All rights reserved
