How were cases and controls selected

Assignment Help Biology
Reference no: EM13965991

1-Hormone Replacement Therapy and Associated Rick of Stroke in Postmenopausal Women

2- Use Alendronate and Risk of Incident Atrial Fibrillation in Women

Choose one of the two articles and answer the questions below. Aim at being clear and concise. Answer the questions in a short way while giving enough/relevant information to fully answer the question

Questions:

1. What is the title of the article you chose?

2. How were cases and controls selected? Any evidence of selection bias?

3. How were disease and exposure measured? Any evidence of measurement bias?

4. What are possible confounders in this study? Were confounders addressed in the study?

5. Can some of the study findings be due to chance? Was the study powered to observe a difference if one existed?

6. Any concerns with internal validity?

7. Any concerns with external validity?

Attachment:- article_critique1_1.zip

Reference no: EM13965991

Questions Cloud

Words the probability you have calculated : Express in words the probability you have calculated.
Write an essay of on visual forms in the red wheelbarrow : Write an essay of two pages on visual forms in "The Red Wheelbarrow." Establish an argument about the poem in your mind as clearly and as precisely as you can.
System consists of two identical pumps : A system consists of two identical pumps, #1 and #2. If one pump fails, the system will still operate. However, because of the added strain, the extra remaining pump is now more likely to fail than was originally the case.
Strengths and weaknesses of social cognitive theory : Summarize the major aspects of social cognitive theory. Analyze the strengths and weaknesses of social cognitive theory, in general. Apply social cognitive theory to a practical situation in your specialization. Describe the situation, how the theor..
How were cases and controls selected : Choose one of the two articles and answer the questions below. Aim at being clear and concise. Answer the questions in a short way while giving enough/relevant information to fully answer the question
Probability that the numbers of red and green balls : a. What is the probability that a red ball is selected from the rst box and a red ball is selected from the second box? b. At the conclusion of the selection process, what is the probability that the numbers of red and green balls in the rst box ar..
Phones of each type are among the rst six serviced : a. What is the probability that all the cordless phones are among the rst ten to be serviced? b. What is the probability that after servicing ten of these phones, phones of only two of the three types remain to be serviced? c. What is the pr..
When will your leaders retain counsel : Assume your business is threatened with a civil and criminal law suit over spoiled milk which made a customer sick. What factors would your business leadership have to consider in whether or not to retain counsel? Discuss the pros and cons of each ..
Examine at least six bulbs : Suppose now that bulbs are to be selected one by one until a 75-W bulb is found. What is the probability that it is necessary to examine at least six bulbs?

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd