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 105 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?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library