Author Question: List and describe four types of randomized sampling techniques. What will be an ideal ... (Read 119 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
List and describe four types of randomized sampling techniques.
 
  What will be an ideal response?

Question 2

Three major areas of technique for carrying out effective experiments are
 
  A) planning, instructions to participants, and post experiment interviews.
  B) discussion, field experiments, and Hawthorne Effect.
  C) paper, computer, and PDAs.
  D) internal validity, external validity, and Hawthorne Effect.



miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Answer to Question 1

Simple random - select from a sampling frame using a pure random process. Systematic - select from a sampling frame using a sampling interval. Stratified - select randomly from multiple sampling frames that are preset categories in the population. Cluster - multiple samples, first randomly select clusters, then randomly select elements
with each cluster.

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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