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Author Question: Confounding due to instrumentation refers to A) changes in measuring instruments. B) changes in ... (Read 18 times)

rosent76

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on: Aug 4, 2018
Confounding due to instrumentation refers to
 
  A) changes in measuring instruments.
  B) changes in the dependent variables.
  C) changes in the observers' behavior.
  D) Either or both A and C

Question 2

What confounding variable occurs when the researchers gradually change their observation criteria over the course of the study?
 
  A) regression toward the mean
  B) instrumentation
  C) maturation
  D) history


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jointhecircus

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Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


rosent76

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Reply 2 on: Aug 4, 2018
Great answer, keep it coming :)

shewald78

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Reply 3 on: Yesterday
Excellent

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