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which option is a sign that an experiment would benefit from a redesign?

The experiment contained control groups.

The hypothesis is supported by the results.

Only the independent variable in the experiment was changed.

The results refute the hypothesis.

Respuesta :

guadalupejeanfonseca

Only the independent variable in the experiment was changed.

Explanation:

Step 1: Define your variables. You should begin with a specific research question. ...

Step 2: Write your hypothesis. ...

Step 3: Design your experimental treatments. ...

Step 4: Assign your subjects to treatment groups. ...

Step 5: Measure your dependent variable

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