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Author Question: What is the term for unwanted variables that may affect the outcome of the study? a) false ... (Read 74 times)

fbq8i

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on: Jun 22, 2018
What is the term for unwanted variables that may affect the outcome of the study?
 
  a) false variable
  b) deviation
  c) confound
  d) third variable
  e) invalidity

Question 2

Which of the following substances can X-rays penetrate?
 
  a) wood
  b) metal
  c) human tissue
  d) only a and c
  e) all of the above


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Beatricemm

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: E


fbq8i

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Reply #2 on: Jun 22, 2018
Thank you


Beatricemm

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Reply #3 on: Jun 22, 2018
No problem :)


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