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Author Question: Experiments use __________ to reduce the effects of confounding variables and other sources of bias ... (Read 88 times)

danielfitts88

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on: Jul 24, 2018
Experiments use __________ to reduce the effects of confounding variables and other sources of bias that are naturally present in observational studies.
 Fill in the blank(s) with correct word

Question 2

Which of the following is implemented in an experiment to reduce known sources of natural variability in the response variable, so that differences due to the explanatory variable can be detected more easily?
 a. Matched-pairs
  b. Repeated measures
  c. Blocks
  d. All of the above


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Jordin Calloway

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Reply #1 on: Jul 24, 2018
Answer to Question 1

RANDOMIZATION

Answer to Question 2

D


danielfitts88

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Reply 2 on: Jul 24, 2018
:D TYSM

sarah_brady415

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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