Positive SUS Calculator Beta

Calculate the mean Positive SUS from a set of replies. Each row corresponds to a single participant, and each column to the score that the participant gave. The all-positive version of SUS was introduced by Jeff Sauro and James R. Lewis.

This is the calculator for the positive SUS, for calculating the original SUS click here.

(You can paste directly from an excel by selecting the first cell and pressing ctrl/cmd + v)

Results

Mean SUS score:
-

Score range

Accuracy
- %

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How is SUS calculated?

  1. Take the number of the answer and subtract 1
  2. Add all 10 questions’ scores
  3. Multiply that number by 2.5
  4. You will get a number between 0 and 100, which is the SUS score

A detailed analysis of the Positive System Usability Scale

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