Researchers were interested in evaluating the effect of aromatherapy with ginger essential oil on vomiting episodes after cardiac surgery.
For each scenario, you should:
a) Identify the most appropriate statistical test;
b) Identify the independent variable(s);
c) Identify the dependent variable; and
d) Identify the scale of measurement for the independent and dependent variable.
Choose from the following statistics (Each Only Used Once):
Dependent-samples t Test
Chi-Square
Independent-samples t Test
Two-way ANOVA
Pearson Correlation
Repeated Measures ANOVA
Multiple Linear Regression
Researchers were interested in evaluating the effect of aromatherapy with ginger essential oil on vomiting episodes after cardiac surgery. Patients were divided into two groups: (1) control, and (2) aromatherapy and exposed to the intervention prior to intubation. Incidence of vomiting episodes were recorded for 4 hours after the surgery and compared between groups.
A researcher is interested in exploring the effects of yoga on cognitive anxiety levels in children with burn injuries. Researchers measure cognitive anxiety scores before and after the 2-week yoga intervention using a validated questionnaire.
A group of researchers conducted a randomized clinical trial to investigate the effects of three-month daily pistachio consumption on LDL-cholesterol in obese adults. Participants were randomly assigned to one of three groups: (1) control, (2) statin, and (3) 20 g pistachio. LDL-cholesterol was assessed at baseline and three months after the intervention.
A researcher is interested in studying the effects of sunlight exposure (low, medium, high) and watering frequency (daily and weekly) on plant growth as measured by height.
A group of researchers compared the incidence of hyperkalemia after the use of losartan versus Captopril to treat hypertension in adults with stage 2-hypertension.
A group of researchers reported that scores on a sports nutrition knowledge was associated with body weight in female collegiate athletes.
A healthcare researcher has shown that poverty status and diagnosed depression influences e-cigarette use in a group of randomly selected adolescents.
Suppose a researcher conducted an experiment on improving algebra achievement, and the experimental posttest raw-score mean equaled 600.00 (sd = 50.00), and the control group raw-score mean equaled 300.00 (sd = 50.00). What is the value of the effect size for the experiment?
Calculate the mean, mode, median, range and interquartile range for the set of values below.
1, 3, 5, 5, 6, 8, 9, 10
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