Author Question: You are designing research questions related to the lead poisoning issue in community and public ... (Read 13 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
You are designing research questions related to the lead poisoning issue in community and public health nursing practice.
 
  You have reviewed the literature about statistical relationships that exist for lead poisoning. Using your knowledge about associations, what is the minimal number of events, characteristics, or other variables that have to exist in the statistical relationship?
  A) Two
  B) Three
  C) Four
  D) Five

Question 2

You are reviewing a published research study on the clinical trial of a new medication.
 
  Using your knowledge of statistical analysis, it is important that the sample size in intervention trials be large enough for adequate statistical power to prevent a type II error. What is a type II error?
  A) Occurs when the null hypothesis is rejected when it is true
  B) Occurs when one rejects the alternative hypothesis when the alternative hypothesis is true
  C) Occurs when the null hypothesis is accepted when it is false
  D) Occurs when one accepts the alternative hypothesis when the alternative hypothesis is false



Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library