mfoster4
mfoster4 mfoster4
  • 06-11-2021
  • Mathematics
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Which situation is an example of an observational study?

Which situation is an example of an observational study class=

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mscalculator1
mscalculator1 mscalculator1
  • 06-11-2021

Answer:

D- Recording the reaction time of participants in a study who were asked to press a button as soon as they see a certain picture on a screen.

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