3a- Scientific method Flashcards

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1
Q

What are the four stages in the scientific cycle?

A
  • constructing a testable hypothesis
  • experimental design
  • gathering, recording and analysis of data from experiment
  • evaluation of results and conclusion
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2
Q

What does the null hypothesis propose?

A

That there will be no statistically significant effect as a result of the experiment treatment

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3
Q

When is the null hypothesis rejected?

A

If there is evidence for an effect, unlikely due to chance

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4
Q

When do scientific ideas become accepted?

A

Only when they have been checked independently

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5
Q

How should repetition of an experiment be done?

A

At a different time with a completely new set of ingredients, organisms and chemicals

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