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Author Question: _________ variables are not controlled for in the experiment but may have an influence on the ... (Read 57 times)

anjilletteb

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on: Jul 13, 2018
_________ variables are not controlled for in the experiment but may have an influence on the dependent variable because they vary with the levels of the independent variables.
 
  a. Extraneous
  b. Nuisance
  c. Attrition
  d. History

Question 2

A probability sampling technique in which a researcher begins by identifying subgroups and then randomly samples from each groups is called probability sampling.
 
  a. stratified
  b. cluster
  c. simple
  d. systematic


joneynes

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Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


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