Asthma is a chronic lung disease caused by inflammation of the lower airways and episodes of airflow obstruction. Asthma episodes or attacks can vary from mild to life-threatening. In 2007, about 7% percent of the U.S. population was diagnosed with asthma and there have been a growing number of new cases since that time. There are several known risk factors identified as triggers of asthma symptoms and episodes, including inhalation of allergens or pollutants, infection, cold air, vigorous exercise, and emotional upsets. There is also growing evidence relating body-mass index to asthma in both children and adults. Design a study to investigate whether there is such an association.
Choose a study design and justify the reasons you chose the design over others.
Select a statistical measure you would use to describe the association (if there is one) between body mass index and asthma.
In addition, address:
1. Subject selection
2. Issues relating to the measurement of both the exposure and the outcome
3. Potential biases that the study might be prone to, and how they might be handled
4. Possible confounding factors and effect modifiers and how to overcome their effect.
Present the information in a 750-1000-word report, using section headings where each requirement is described and justified under each of the following headings: Study Design, Statistical Measures, Subject Selection, and Measurement Issues.
Refer below to the “Key Elements of a Research Proposal.”
You are required to use a minimum of three scholarly resources.
Prepare this assignment according to the APA guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.
Key Elements of a Research Proposal
If you need a review of study design components, view the resources below.
Review the Key Elements page of the Research Methods Knowledge Base website at Social Research Methods – Knowledge Base – Key Elements
Social Research Methods – Knowledge Base – Key Elements
Key Elements of a Research Proposal
Background / purpose / rationale of the study
Literature review
Hypothesis/key questions
Research objectives
Research methods
Study design
Statistical bias
Procedures/timeline
Specific steps to be taken to complete the study
Instruments/data collection methods
Outcomes
Proposed data analysis plan
Statistical analyses planned
Power analysis if appropriate
Data safety monitoring if appropriate
Study participants
Description of participates
Recruitment of participates
Confidentiality/human subject’s protection/legal-ethical issues (if appropriate)
Sampling / rationale
Inclusion/exclusion criteria
Number of subjects
Statistical Analysis (only if applicable)
Anticipated Results and Potential Pitfalls
Implications for Practice
Adapted from “Key Elements of a Social Science Research Proposal: Statement of Research Plan” by the Office of Research at Northwestern University at www.research.northwestern.edu
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