List and describe four types of randomized sampling techniques. ...

[2125004343]

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]

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