Alcohol consumption and bladder cancer

Assignment Help Biology
Reference no: EM1381947

In a cohort study that found an association between alcohol consumption and bladder cancer, 20,000 middle-aged men were asked about their drinking habits and then tracked for five years to watch for the development of cancer. Researchers asked the men about their diet and exercise habits, but not about smoking. What is the most likely source of error in this study?

A. Reporting bias

B. The placebo effect

C. Selection bias

D. Confounding variables

Reference no: EM1381947

Questions Cloud

Impact of cholesterol on the development of heart disease : Researchers want to identify the impact of cholesterol on the development of heart disease. They follow individuals who are vegan, and meat-eaters for ten years and they record if any of them experience a heart attack.
State of six conditional flags after instructions executes : Forecast the state of six 8086 conditional flags after each of instructions which are given below executes. MOV AL,AH b. ADD BL,CL c. ADD CL,DH d. OR CX,BX
Students must wait in line with their forms outside : Max Stamp approves study abroad documents for Penn. Students must wait in line with their forms outside Max's office. One student at a time is allowed in his office and Max takes precisely 25 minutes to evaluate each student's set of documents
Three barriers to services-planning : Recognize three barriers to services, planning, funding, or empowerment in a selected aspect of human services. How does community development help address these barriers?
Alcohol consumption and bladder cancer : In a cohort study that found an association between alcohol consumption and bladder cancer, 20,000 middle-aged men were asked about their drinking habits and then tracked for 5-years to watch for development of cancer.
Federal aviation administration : Vineyard Air, a small business with one twin engine airplane that shuttles people from Boston to Martha's Vineyard, learns from reading in the industry trade magazine that the Federal Aviation Administration (FAA) has proposed a regulation change.
Correlation between religion-social class : It has been said that Sunday is the most segregated day of the week. We know how segregated it is by race, but how is it segregated by class?
What percentage of the patients requiring trauma bays : When a patient is sent to another hospital, the hospital has to put a staff with adequate skills to guarantee the patient's life, which costs the hospital $200 per patient sent
Benefits of government-funded research : How does government funded research, help to enhance military power and enhance economic competitiveness?

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