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Author Question: In order to establish an unambiguous relationship between two variables, it is necessary to ... (Read 53 times)

wenmo

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In order to establish an unambiguous relationship between two variables, it is necessary to eliminate the possible influence of ____ variables.
 
  a. extraneous
 b. confounding
  c. independent
  d. dependent

Question 2

A sample that starts with subjects known to the experimenter, and is enlarged by adding subjects known to the first set of subjects and so on, is a(n) ____ sample.
 
  a. quota
 b. snowball
 c. heterogeneity
  d. expert



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strudel15

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Answer to Question 1

b

Answer to Question 2

b




wenmo

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Reply 2 on: Jun 19, 2018
Gracias!


coreycathey

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Reply 3 on: Yesterday
Wow, this really help

 

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