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Researchers were interested in whether relaxation training works better than fitness training in decreasing the number of headaches a person experiences. They randomly assigned 20 participants either to the fitness training group or a relaxation training group and then recorded the change in number of headaches for each group from pre-training to post-training. The independent variable in this study is ___.

Respuesta :

Answer:

The independent variable should be the 20 participants.

Explanation:

The dependent variable is what is being tested or changed and in this case it is what is being tested which is the headaches. The independent variable in what is being controlled and that would be the people.

As per the study conducted by the researchers, the number of headaches is the independent variable in this study.

What is an independent variable?

In a scientific experiment, an independent variable is defined as a variable that is modified or controlled.

It reflects the rationale or cause for an outcome.

The variables that the experimenter alters to test their dependent variable are known as independent variables.

Therefore, the number of headaches can be controlled and it is the independent variable of the given study.

For more information about independent variables, refer below

https://brainly.com/question/1479694

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