Scientific Inquiries in Nutrition Assignment
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
Scientific Inquiries in Nutrition Assignment
Description
(A) Define the terms below in your own words. (5 points)
Hypothesis
Independent variable and Dependent variable
Controlled (control) variable
Randomized trial
Double-blind study
(B) Short Answer. Answer the items below in your own words (20 pts)
Explain how the term ‘independent variable’ relates to the term ‘experimental variable’
Explain the difference between the terms’ controlled (control) variable’ and ‘experimental variable’
Define correlation as it relates to experimental design and experimental results. Define in your own words and use the terms independent variable and dependent variable as part of your definition. Provide an example of data results where there is a correlation between the variables.
Define causality as it relates to experimental design and experimental results. Define in your own words and use the terms independent variable and dependent variable as part of your definition. Provide an example of data results where there is a causal relationship between the variables.
True or False: A hypothesis statement does not need to mention the effect of the independent variable on the dependent variable. Explain the reasoning for your answer.
(C) For each of the three nutrition research scenarios below, provide the following information in your own words:
(i) State the purpose of the study
(ii) State the hypothesis. Explain what information you used to come up with a hypothesis statement.
(iii) State the variables in the scenario. What are the Independent, Dependent, and Controlled (control) variables? Is this a double-blind study?
(iv) Imagine that you conducted the experiment to test the hypothesis. Provide hypothetical results from the experiment (i.e., provide hypothetical data for the dependent variable). Do your hypothetical results support the hypothesis? Explain your answer.
SCENARIO 1: (20 pts)
A weightlifter reads about a new supplement that increases the size of muscles in less than one month. He wants to see if it actually works so he designs the following experiment with his friends. He divides them into two groups of 5. Before the experiment begins, he takes their weight and measures their major muscle groups. One group is given the supplement with water once a day after dinner for a month. The other group is given a placebo with water once a day after dinner for a month. Each group eats the same meals three times a day and works out the same way daily at the gym. The ages of the individuals vary from 20 50, and some are men and others are women.
(i) State the purpose of the study
(ii) State the hypothesis. Explain what information you used to come up with a hypothesis statement.
(iii) State the variables in the scenario. What are the Independent, Dependent, and Controlled (control) variables?
(iv) Is this a double-blind study? Explain your reasoning.
(v) Imagine that you conducted the experiment to test the hypothesis. Provide hypothetical results from the experiment (i.e., provide hypothetical data for the dependent variable). Do your hypothetical results support the hypothesis? Explain your answer.
SCENARIO 2: (20 pts)
A high school dietitian and a social worker observed that students who chose healthier food options at lunchtime missed fewer days from school during the school year. They wanted to find out if this observation might apply to the next school year. They received approval from the principal and superintendent to conduct their research study. The dietitian collected data about which students chose healthy food options at lunchtime. She collected data for one lunch period each day. The social worker independently checked the attendance records of the students who had lunch during that lunch period. At the end of the school year, they share the data they collected over the school year then analyze the results.
(i) State the purpose of the study
(ii) State the hypothesis. Explain what information you used to come up with a hypothesis statement.
(iii) State the variables in the scenario. What are the Independent, Dependent, and Controlled (control) variables?
(iv) Is this a double-blind study? Explain your reasoning.
(v) Imagine that you conducted the experiment to test the hypothesis. Provide hypothetical results from the experiment (i.e., provide hypothetical data for the dependent variable). Do your hypothetical results support the hypothesis? Explain your answer.
SCENARIO 3: (20 pts)
A nutrition researcher recently learned that several members of an ocean side community have been complaining of headaches and nausea. The researcher meets with members of the community to try to determine what they might all have in common. She learns that they all eat at Acme restaurant at least once per week. She approaches the restaurant owner to discuss possible causes for the complaints. The owner and the chef are baffled, but then remember that they started using a different brand of seafood seasoning. The nutritionist asks if she can conduct a research study, and the owner and chef agree. The researcher and her medical doctor colleague receive approval from their university to conduct the study. They pay 20 research participants (ages 20-21 years old, male and female) to participate in the study. Ten participants (five males, five females) are randomly assigned to one of two groups. One group will eat the dish prepared with the new brand of seasoning and the other group will eat the dish prepared with the old, previously used brand of seasoning. Only the nutritionist and the chef are aware of which participant receives which seasoning. The medical doctor research partner will meet with each participant weekly for the next 30 days to conduct health surveys and assessments.
(i) State the purpose of the study
(ii) State the hypothesis. Explain what information you used to come up with a hypothesis statement.
(iii) State the variables in the scenario. What are the Independent, Dependent, and Controlled (control) variables?
(iv) Is this a double-blind study? Explain your reasoning.
(v) Imagine that you conducted the experiment to test the hypothesis. Provide hypothetical results from the experiment (i.e., provide hypothetical data for the dependent variable). Do your hypothetical results support the hypothesis? Explain your answer.
Scientific Inquiries in Nutrition Assignment
RUBRIC
QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points: Student failed to submit the final paper. 20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. 40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. 50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. 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The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. GET THIS PROJECT NOW BY CLICKING ON THIS LINK TO PLACE THE ORDER
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