2019-01-24T10:51:21+00:00 Assignments

Topic: Define And Describe In Detail A Case-Control Study

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Topic: Define And Describe In Detail A Case-Control Study

Instructions:

1) Define and describe in detail a case-control study. 
What are the components of a case-control study? 
Describe these components in detail. 
Why is case-control study considered an analytical epidemiological study? 
Why is a case-control study considered an observational study? 
Define and describe the exposure (or risk factor) variable. 
Define and describe the outcome (or disease) variable. 
Provide a timeline and a diagram of how this type of study design works, 
from beginning to end and describe the timeline and/or diagram
Describe the advantages of a case-control study.
2) Define and describe in detail a prospective cohort study. 
What are the components of a prospective cohort study? 
Describe these components in detail. 
Why is a prospective cohort study considered an analytical epidemiological study?
Define and describe the exposure (or risk factor) variable. 
Define and describe the outcome (or disease) variable. 
Provide a timeline and a diagram of how this type of study design works,
from beginning to end and describe the timeline and/or diagram. 
What is the difference(s) between a prospective cohort study and a retrospective cohort study? 
Describe the disadvantages of a cohort study. 
3) Is a cross-sectional study design a type of descriptive, observational study? 
Describe the details of a cross-sectional study design. 
Provide temporal information about exposure and outcome. 
Provide a diagram of the timeline of this study design if at all possible. 
What are the disadvantages of this type of study design?
4) Define analytical study designs. 
Define experimental study designs. 
Define controlled trials. 
Describe the details of a controlled trial design. 
How are analytical studies and experimental studies and controlled trials related? 
What are the advantages of a randomized, placebo-controlled trial?
5) For your Analytical Epidemiological Literature Review of GHP assignment (due on Week 9), 
you are asked in #3 to review at least two cohort studies, at least one case-control 
study and at least one randomized controlled trial (and/or systematic review or meta-analysis). 
Please state/list your intended choices for all of the above study articles and 
provide me with copies the pdf files (or working links) for each of these studies 
that you intend to review for this assignment. 
You may upload those files to the drop box or you may Course Message them to me. 
Please label each study by design type and provide a very brief statement of justification 
as to why each study listed is in fact, that type of study design.
6) BONUS Question: In what special circumstances can a cross-sectional 
study be considered an analytical (hypothesis testing) type of epidemiological 
study versus a descriptive type of epidemiological study"?
If you decide to attempt this special bonus, then Course Message me and inform
me that you intend to participate in the bonus question for the exam.
I will need PDFs of your sources. Also, the paper does not have to be to its entirety, I just need to answer each question and provide references and pdf`s

Content:



Exam Essay

Student’s Name

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Exam Essay

Question 1

A case-control study refers to an observation based study, whereby the deferring outcomes from the two research groups are compared based on some specific casual groups (Mann, 2014). Case-control studies are typically used to investigate and identify factors that contributes to a particular medical conditions by focusing and comparing the variables who have a certain conditions against individuals who are not affected by the exact conditions but otherwise related (Mann, 2014).

Case-control study is comprised of six key components, namely, study base, case definition (disease), controls, confounders, and analysis and section bias (Mann, 2014).

Study base refers to the population sample of the people who would be used in the study in the process of investigating the disease. These people include both the infected and uninfected people (Mann, 2014).

The case definition or the disease is a section that describes the newly diagnosed illness (Mann, 2014).

The controls represents the population sample who represents those who are without the illness. This groups is compared against the infected group to determine the impacts and risks factors of the disease (Mann, 2014).

Confounders address the factors or the constraints that could distort or conceal the actual effects of the exp...


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