You are designing research questions related to the lead ...

[ishan]

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]

Answer to Question 1

A

Answer to Question 2

B