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6 Terms

1
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Null Hypothesis Significance Testing (NHST)

  • A type of testing that helps us think in a very particular way

  • Applies in situations where we are faced with a question that is too complicated to know the answer with 100% certainty

2
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What is the idea of NHST?

  • Simplify the problem by making an assumption about one part of it

  • Collect data and see if the data are inconsistent with our assumption

3
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Why are we looking for inconsistency and NOT consistency?

Inconsistency is more powerful than consistency

4
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If we observe consistency…?

it could mean our assumption is correct, but it could also be a coincidence

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If we observe inconsistency…?

there is no way that our assumption could be correct

6
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What is the goal?

  • Falsify the assumption we made at the beginning.

  • We tend to assume something “bad”, meaningless (null)

  • If we falsify the assumption, it thus implies that things are not bad/meaningless/null