2. A research team has developed a new medication to treat ADHD. They think that

Question

2. A research team has developed a new medication to treat ADHD. They think that their new medicine will be more effective than the current medication. The team asks local doctors to do a study in which newly diagnosed children with ADHD (n = 20) are matched with other children taking the current medication (n= 20) based on symptoms and physical attributes of the children. The research team will then test all the children after one year to determine the effectiveness of the treatments with a standardized symptom score-sheet (scores can range from 1-50).

1.What are the researcher’s independent and dependent variables? a.Independent=______________________________ b.Dependent=_______________________________

2. What are the null and alternative hypotheses (use the appropriate symbols not words)? a.H0=__________________ b.H1=__________________

3.What is the appropriate test for the researcher to use?__________________

4.Why is that statistic appropriate? If applicable to the specific test:

5.What are the test’s assumptions?

6.What are the test’s df?

7.What is the appropriate critical value?

8.If the research obtains a test statistic of 1.21 , would the researcher retain or reject H0?

ANSWER ONLY 9 & 10******************

9.Should the researcher do any follow up tests or make any graphs/charts?

10.Interpret the findings in APA style

Explanation / Answer

Answer:

ANSWER ONLY 9 & 10******************

9.Should the researcher do any follow up tests or make any graphs/charts?

Since the test is not significant, follow up tests are not necessary. We can make a graph to represent mean scores of the two groups..

10.Interpret the findings in APA style

There are 20 participants in the treatment group and the 20 participants in the control group, demonstrated no significant effectiveness of the treatment(t[38] = 1.21, p >.05).

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