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ARC-Easy / MDSA_2008_8_35 / Biologists conduct investigations to learn about living organisms. Which method…

Problem

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question

Biologists conduct investigations to learn about living organisms. Which method helps reduce bias during an investigation?

choices

  • developing a hypothesis after collecting data in the investigation
  • limiting the amount of background research before the investigation
  • designing an investigation with repeated trials during the investigation
  • obtaining other opinions concerning what should happen during the investigation

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