North Central Week 5 Weight Loss Supplement Statistical Analysis Paper
This week, you have learned about t-tests and ANOVA and will apply what you have learned in the evaluation of several research scenarios. For this task, you will read each research scenario and answer the questions regarding each one.
Research Scenario 1
A researcher is interested in the effects of a new
weight loss supplement
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- Provide the appropriate null and alternative hypotheses.
- Determine which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.
- Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?
- Indicate the levels of measurement for each variable.
- Describe the Type I error for this study.
- Describe the Type II error for this study.
Research Scenario 2
A researcher is interested in whether certain memory strategies help people to remember information. This researcher employs students from a local
college
- Provide the appropriate null and alternative hypotheses.
- Indicate which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.
- Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?
- Indicate the levels of measurement for each variable.
- Describe the Type I
for this study.
error
- Describe the Type II error for this study
Research Scenario 3
A local manufacturing company is interested in determining whether their employees are as happy with their jobs as other employees. The manufacturing company asked the workers, who volunteered to participate, to rate their happiness at work on a scale from 1 to 10 where 1 was not at all happy and 10 was extremely happy. The manufacturing company found that the mean happiness rating for their employees is 7.3. In the general population of workers in the United States, the mean happiness rating is 6.
- Provide the appropriate null and alternative hypotheses.
- Determine which type of analysis would be appropriate to answer this research question. Be specific. Please support your answer using the textbook or other course materials.
- Name the variables used in the analysis.
- What are the levels of measurement for each variable?
- Describe the Type I error for this study.
- Describe the Type II error for this study
Length: 1-2 pages
Your paper should demonstrate thoughtful consideration of the ideas and concepts presented in the course by providing new thoughts and insights relating directly to this topic. Your response should reflect scholarly writing and current APA standards.