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HESI BiologyFrom question to conclusion

Scientific Method in BiologyHESI A2 cheat sheet

From question to conclusion

5 key facts 5 practice questions Reviewed Oct 2026
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The Steps

  • Observation → question → hypothesis → experiment → data → conclusion

Controls

  • A control group receives no treatment for comparison
  • Only the independent variable changes

Data

  • Quantitative = measured numbers; qualitative = described observations

Conclusions

  • Data supports or fails to support a hypothesis — never 'proves' it
Key takeaway

From question to conclusion

Before you read

Test yourself first: 5 questions

Question 1 of 5

A statement that describes a consistent pattern observed in nature is a scientific:

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