[Solution] NR 503 Week 3 Discussion – Epidemiological Methods and Measurements


NR 503 Population Health, Epidemiology And Statistical Principles


This discussion board content is intended to facilitate learning for students through engaging dialogues as they achieve the desired learning outcomes/competencies … with their course in a manner that empowers them to organize, integrate, apply and critically appraise their knowledge to their … field of practice.

The use of discussions provides students with opportunities to contribute graduate level-appropriate knowledge and experience to the topic in a safe, caring, and fluid environment that models professional and social interaction. The ebb and flow of a discussion is … upon the composition of student and faculty interaction in the quest for relevant scholarship.

Participation in the discussion generates opportunities for students to actively engage in the written ideas of others by carefully reading, researching, reflecting, and responding to the contributions of their peers and course faculty. Discussions foster the development of members into a community of learners as they share ideas and inquiries, consider perspectives that may be different from their own, and integrate knowledge from other disciplines.

This week we are comparing and contrasting epidemiological methods of research; case-control and cohort study methods. Select either the case-control or cohort study method and compare its features, the methodology, to a … trial using the following questions. Please format, organize, your responses using each question below:

  1. What is the fundamental difference between the method you have chosen (either the case-control or cohort method) and the randomized controlled trial?
  2. What are the advantages and disadvantages of the study method you chose (casecontrol or cohort study)?
  3. What are the characteristics of a correlational study?
  4. Where does the method you chose (case-control or cohort study) fall on the research pyramid? What does where it is on the research pyramid mean?

Post your response to the DB. Your analysis should have in-text citations and utilize a scholarly voice with APA formatting.

Respond to a total of two posts: Either two (2) peer posts or a peer and faculty post (all faculty posts require a response), with a minimum of one paragraph of 4-5 sentences, on two (2) different days of the week. Your reply post should … specific to this week’s topic of epidemiological research methods and should integrate in-text citation(s).

Your reply post/s should integrate course content (such as course terminology) … to the study method as well as an integration of in-text citations along with a scholarly voice and APA formatting. …


  1. Fundamental Difference between Cohort Study Methods and the Randomized Controlled Trial

Cohort studies entail a researcher defining a population and making follow up on a group of individuals exposed or non-exposed to a factor and latter following both groups to ascertain the differences in the incidence of an outcome or a researcher can ascertain exposure from past records and ascertain outcome at the beginning of a study (Curly Cupp, 2020). On the other hand, a randomized control trial (RCT) is one designed to randomly assign subjects to receive an intervention or not to receive an intervention (Curly Cupp, 2020). RCT can be used to compare more than two groups. The fundamental difference between these methods is the control a researcher has. In RCT the researcher controls an experiment while the cohort study is observational and the researcher has no control over events.

2.      Advantages and Disadvantages of Cohort Study Method

The cohort study method has advantages such as its use in looking for multiple outcomes which occur as a result of exposure….please click the purchase button below to access entire solution at $10