Question: Dr. Justin conducted an experiment to determine whether using a learning tool called Brainwave has an effect on students' grades. He divided a class of

Dr. Justin conducted an experiment to determine whether using a learning tool called "Brainwave" has an effect on students' grades. He divided a class of students into two groups. One group was allowed to use Brainwave for the course, while the other group was not allowed to use Brainwave. At the end of the course, the students were made to take a test and their grades were assessed. Identify the independent variable in this experiment. Multiple choice question. Students Brainwave Test Grades

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