I want to use the 20-item Mini-IPIP (Donellan et al., 2006) in a study. The scoring key here suggests that I should:

  • Score each question from 1 to 5 (integers only)
  • Make sure to reverse the scoring for the - keyed questions.
  • Add up the scores to get a score out of 20 in each category.

How do I convert this to a score out of 100 for each?

It can't be as simple as multiplying by 5, since the linked website (where you can take the test) presents scores like 92%.

I couldn't find the scoring key in the original 2006 paper (this could be my idiocy) so I came here.


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