This topic contains a solution. Click here to go to the answer

Author Question: When conducting a study in which it is not possible to determine the true number of subjects who ... (Read 64 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
When conducting a study in which it is not possible to determine the true number of subjects who meet eligibility criteria and obtaining a random sample would be time consuming and expensive, the researcher will use which sampling method?
 
  a. Cluster sampling
  b. Simple random sampling
  c. Stratified random sampling
  d. Systematic sampling

Question 2

When using stratified random sampling, the researcher is able to
 
  a. achieve greater control over subject selection.
  b. avoid discussion of the effects of extraneous variables.
  c. lower the costs associated with sampling.
  d. use a smaller sample size.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

ANS: A

Answer to Question 2

ANS: D





 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library