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I'm making a study about ADHD and screen time. I need to find the statistical analysis method I need to use. Children make the (1)

I'm making a study about ADHD and screen time. I need to find the statistical analysis method I need to use. Children make the (1) first test and find the scores for (1) Hyperactivity, (2) Inattention, (3) Impulsivity. Then they get the same test done after 6 months without screen time. I just want to compare the test score before and after the experiment. What method should I use?

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Test 1 - mean Hyperactivity 9.3 Behavior Inattention 8.9 Impulsivity 7.8 Test 2 - mean Hyperactivity 7.8 Behavior Inattention 7.3 Impulsivity 7.4

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