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Author Question: A researcher intends to compare two different treatment conditions. Participants for the first ... (Read 81 times)

jrubin

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on: Jun 19, 2018
A researcher intends to compare two different treatment conditions. Participants for the first treatment are selected and tested early in the school semester, and participants for the second treatment are selected and tested late in the semester. In this study, the time-of-testing represents a confounding variable.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The nonprobability sampling method that combines chain-referral with a statistical weighting system that helps compensate for the fact that the sample was not drawn randomly is known as _______________.
 
  Fill in the blank(s) with correct word


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FergA

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Reply #1 on: Jun 19, 2018
Answer to Question 1

True

Answer to Question 2

respondent-driven sampling
respondent driven sampling


jrubin

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

kjohnson

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Reply 3 on: Yesterday
Gracias!

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