Asked by Ashley Saylors on Jul 08, 2024
Verified
Professor Caine is running an experiment to determine if exercise affects memory retention. Two groups of participants are given the same list of 25 words and allowed 15 minutes to study them. Then one group sits idly in a classroom while the other participates in an hour-long aerobic work-out. After the work-out each group is tested in the classroom on the list of words. What is the independent variable in this study?
A) the aerobic work-out
B) the word list
C) scores on the test
D) time allowed to study
Independent Variable
The factor in an experiment that is deliberately manipulated to observe its effect on a dependent variable.
Aerobic Work-Out
Exercise that involves or improves oxygen consumption by the body, promoting cardiovascular health.
- Differentiate between independent variables and dependent variables within the context of experimental research.
Verified Answer
IB
Ishukant BhambiJul 11, 2024
Final Answer :
A
Explanation :
The independent variable is the variable that is being manipulated or tested in the experiment, which in this case is the aerobic work-out. The other variables (word list, scores on the test, time allowed to study) are controlled variables.
Learning Objectives
- Differentiate between independent variables and dependent variables within the context of experimental research.
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