1. Describe the purpose of the study, Obesity prevalence and the local food envi
ID: 3073492 • Letter: 1
Question
1. Describe the purpose of the study, Obesity prevalence and the local food environment: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4964264/
2. What is the research question in the study?
3. What is the hypothesis of the study?
4. Identify whether the study design is experimental or observational. Support your identification with examples from the study.
5. Identify the methods used to collect the data and explain why the methods are appropriate based on the research question.
6. Identify the methods used to collect the data and explain why the methods are appropriate based on the research question.
7. Discuss the potential weaknesses of the data collection methods used. Support your discussion with examples from the study
8. Identify the data analysis methods used and explain why the methods are appropriate based on the research question.
9. Discuss the potential weaknesses of the data analysis methods used. Support your discussion with examples from the study.
10. Describe the key demographics of the population sampled and identify the inclusion and exclusion criteria for participants.
Explanation / Answer
The difference between observational and experiment are
1.The main difference between observational study and experiments is in the way the observation is done.
2.In an experiment, the researcher will undertake some experiment and not just make observations. In observational study, the researcher simply makes an observation and arrives at a conclusion.
3.In observational study, no experiment is conducted. In this type of study the researcher relies more on data collected.
4.In an experiment, the researcher observes things through various studies.
5.There is human intervention in experiments whereas there is no human intervention in observational study.
6.Hawthorne studies are a good example for experiments.
7.The study to determine the relation between smoking and lung cancer is a typical example for observational study.
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