CFA CFA General Good way to remember Type 1 and Type 2 errors?

Good way to remember Type 1 and Type 2 errors?

  • This topic has 6 replies, 5 voices, and was last updated Aug-19 by Radnor80.
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    • mincemeat23
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      This is going to be tested in the exam, and I’m going to screw it up, I just know it.

      Any tips on remembering which type error is which? Help!

    • justing
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      Type I error = incorrect rejection of a true null hypothesis (false positive)
      Type II error = incorrectly retaining a false null hypothesis (false negative)

    • mincemeat23
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      I know that – I just can’t remember which is which during the exam. Any mnemonics that can help?

    • jthimmich
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      Type I: Man pregnant
      Type II Pregnant lady not pregnant

      You’re welcome!

    • mincemeat23
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      Amazing!

    • delamanisp
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      RTN (Reject True Null), RFN (Retain False Null). Just remember reject/retain. Repeat it a few times, and you will never forget it. That’s how I memorize such things. If you have a good memory you can memorize entire concepts like this.

    • Radnor80
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      jthimmich said:
      Type I: Man pregnant
      Type II Pregnant lady not pregnant

      You’re welcome!

      Love it.

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