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supernumerary supernumerary
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7 years ago
If we have conducted random selection accurately, we would be fairly confident that:
 
  a. there are equal numbers in subject groups.
  b. the independent variable has been operationally defined.
  c. the sample of subjects reflects the population that we are studying.
  d. confounding variables have increased in our experiment.

Question 2

What technique allows for the control of systematic confounds?
 
  a. random selection
  b. bimodal distribution
  c. random numbering
  d. analysis of variance

Question 3

What does random selection do?
 
  a. increases counterbalancing
  b. helps to control systematic confounds
  c. helps to make sure the groups are equated
  d. increases within-groups variance
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joehendyjoehendy
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7 years ago
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supernumerary Author
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7 years ago
I'm still confused, but thanks for answering correctly
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