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Author Question: What is the term for unwanted variables that may affect the outcome of the study? a) false ... (Read 67 times)

fbq8i

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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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Answer to Question 1

Answer: C

Answer to Question 2

Answer: E





 

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