51.Your friend Carrie took a daily supplement of vitamin C : 1401514

51.Your friend Carrie took a daily supplement of vitamin C : 1401514.


51.Your friend Carrie took a daily supplement of vitamin C for a week following the first signs of a cold and stated that she felt a lot better. Which of the following best describes her experience?

a.an anecdote

b.a blind experiment

c.a human intervention trial

d.a case-control experience

52.In the scientific method, what is the name for a statement such as the following?  “The researchers anticipate that more of the variation in body weight will be explained by diet than physical activity.”

a.the theory

b.the placebo effect

c.the hypothesis

d.the correlation

53.Among the following, which is the major weakness of a laboratory-based study?

a.The costs are usually high.

b.It is difficult to replicate the findings.

c.The results cannot be directly applied to human beings.

d.Experimental variables cannot be easily controlled.

54.Who are the subjects in a clinical trial?

a.tissue cells in culture

b.rats,  mice or other experimental animals

c.individual human beings

d.populations of human beings

55.What is the meaning of a double-blind experiment?

a.Two groups of subjects take turns getting the control or experimental treatment.

b.Neither subjects nor researchers know which subjects are in the control or experimental group.

c.Subjects know whether they are in the control or experimental group, but the researchers do know.

d.One group of subjects receives placebo treatment twice.

56.What is the benefit of using controls in an experiment?

a.The subject group size can be very large.

b.The subjects do not know anything about the experiment.

c.The subjects who are treated are balanced against the placebos.

d.The subjects are similar in all respects except for the treatment being tested.

57.What is the benefit of using placebos in an experiment?

a.All subjects are similar.

b.All subjects receive a treatment.

c.Neither subjects nor researchers know who is receiving treatment.

d.All subjects will feel some improvement.

58.Research has found that countries across the world with higher dietary fibre intakes have lower rates of some chronic diseases.  Which of the following types of studies does such research refer to?

a.case-control studies

b.epidemiological studies

c.human intervention trials

d.correlation-control studies

59.What is the benefit of using a large sample size in an experiment?

a.Chance variation is ruled out.

b.There will be no placebo effect.

c.The experiment will not need to be double-blind.

d.The control group will be similar to the experimental group.

60.In a study of the effectiveness of vitamin C in reducing the incidence of colds in grade 6 students,, a researcher plans to distribute all the vitamin C pill bottles to the girls and all the placebo pill bottles to the boys. What should the researcher do differently?

a.He should allow the girls and boys to choose whether they want the vitamin C or placebo pills.

b.He should distribute the bottles randomly, and then tell the students what they are getting.

c.He should have students randomly choose the bottles but not tell him what group they received until the end of the study.

d.He should arrange that neither he nor the students knows the contents of the randomly distributed pill bottles.



51.Your friend Carrie took a daily supplement of vitamin C : 1401514

Get a Quick Quote

Approximately 250 words
Total price (USD) $: 10.99

Let us do the hard and easy stuff in nursing for you

Find an experts in Nursing Papers and kickstart your grades today with NursingPapersLib.com

Best nursing assignment writers

It is easy to promise the availability of help with nursing assignments but without the best nursing assignment writers in the industry, such promises can turn out to be hot air. Our expert nursing writing services feature seasoned professionals who have been providing nursing writing help and consultation services for a long time. Irrespective of the year of study or practice students are involved in, the best nursing assignment writers know the nuances of nursing student’s needs. There is no better way to assure you of the best nursing writing services than providing nursing writing help from peers who are ahead of you and have only the best interests at heart. Only the best nursing assignment writers will handle your request for the best nursing writing service because your communication can get through to them. Knowing the potential nursing writing help that you seek from the way you frame your request is the hallmark of a writer who provides expert nursing writing services. This is because, with their knowledge, there is likely less room for misunderstood requests when you are seeking the best nursing writing service you need.

How it Works

Place an Order

Provide your contact information, select an order type, and describe your requirements. This isn’t going to take long!

Image showing step 1 of making an order
Image showing how to make payment for your order

Select an Appropriate Writer

We’ll match your specifications with our available authors after we have all of the relevant information concerning your order.

Image showing how to download your completed results

Enjoy the End Product

One of our specialists will fulfill your purchase according to your specifications so that you are happy with the end result.

Why Choose us?

Free Revisions

We understand that not always out tutors could catch all details required which arises a s a result of miscommunication or inadequate information provided. However, we are always eager to provide you with free revisions till we get it right with your Nursing Papers.

Quality Non-plagiarized Nursing Papers

Our Professional Team of Nursing Writers always adhere to quality standards and plagiarism policy. Furthermore, we employ Quality Control Tools to ensure you get Custom Written Nursing Paper. Every paper is reviewed by an independent editor for syntax errors before submission

Professional Nursing Writers

At NursingPapersLib.com, we specialize in Nursing Homework Help Services only. Thus, this allows us to cater to our nursing students and get high qualified nursing tutors who will deliver exceptional results in nursing papers

Flexible Pricing

We always endear to provide best prices that matches our quality and your budget. This is why we provide a pricing mechanism based off several factors such as length, level of education and type of assignment. our pricing are highly competitive across the industry standard prices.