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Match each of the research designs below to the appropriate statistical test, from list below:
Match each of the research designs below to the appropriate statistical test:
1. You have two nominal independent variables and one scale dependent variable. For example, you want to know if the various types of cholesterol drug are more effective at lowering cholesterol and if this effectiveness is different for men or women.
2.You are comparing a sample to a known population. You know both the population mean and standard deviation. For example, you want to know if children born to mothers who have smoked marijuana during pregnancy have children with lower than average IQ. You select a sample of 100 children whose mothers were known to have smoked marijuana during pregnancy and compare their scores to the national average intelligence test score of 100. The standard deviation for this test is known to be 15.
3.You have one scale dependent variable, and one nominal independent variable with three levels. For example, you want find out if the effects of a new drug on bipolar symptoms depend on what type of Bipolar Disorder the patient has: Bipolar I, Bipolar II or Bipolar N.O.S. (not otherwise specified).
4.You are comparing a sample to a known population. You know the population mean but not the population standard deviation. You want to know if the students in your district are reading at the national average according to a particular reading test. You select a sample from your district to take the test and compare it to the national average. Unfortunately, you do not know the population standard deviation for this test.
5.You want to know if childrens obesity levels is associated with exposure to food commercials on tv. For each of 100 children, you find out the childs BMI score and the number of hours he or she spends watching tv.
6.You use a repeated measures design to find out if visualizing a task helps improve athletes performance in long-jumping. For each athlete, you ask them to jump once as they normally do (without visualizing) and once immediately after visualizing a successful jump. You measure the distance jumped on each attempt.
7.You want to know if a certain anti-psychotic drug becomes more effective over time at reducing symptoms of schizophrenia. You give schizophrenic patients the drug and measure their symptoms using the symptom rating scale after 2 months, 4 months, 6 months and 8 months.
8.You want to know if left-handed people score higher than right-handers in a test of spatial arrangement.
A. z Test
B.Single Sample t-Test
C.Paired Samples t-Test
D.Independent Samples t-test
E.One-way Between-Groups Analysis of Variance
F.One-way Within-Subjects Analysis of Variance
G.Two-way Analysis of Variance
H.Correlation
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