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Author Question: Which of the following is not a way to decrease error variance? a. hold all laboratory conditions ... (Read 83 times)

P68T

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on: Jul 13, 2018
Which of the following is not a way to decrease error variance?
 
  a. hold all laboratory conditions constant
  b. use a homogeneous sample
  c. use reliable measures
   d. use a double-blind procedure e. automate the experiment

Question 2

Why must error variance be minimized in an experiment?
 
  a. it leads to confounding
   b. it obscures the effects of the independent variable
  c. it leads to differential attrition
  d. it increases experimenter expectancy effects
  e. all of the above


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aburgess

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Reply #1 on: Jul 13, 2018
Answer to Question 1

D

Answer to Question 2

B


P68T

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Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)

juliaf

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Reply 3 on: Yesterday
Excellent

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