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Whether caffeine consumption affects attention span


Question: Dr. Carter wanted to determine whether caffeine consumption affects attention span. He assigned participants to either a caffeine group or a no-caffeine group and measured their attention spans through a series of tasks. What is the dependent variable in this study? Need Assignment Help?

  • Participants
  • Attention span
  • No-caffeine group
  • Caffeine consumption

 

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Other Subject: Whether caffeine consumption affects attention span
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