Pssuq

When calculating PSSUQ scores, what happens with NA answers?

When calculating PSSUQ scores, what happens with NA answers?
  1. How is Pssuq score calculated?
  2. What is Pssuq?

How is Pssuq score calculated?

PSSUQ follows a 7-point Likert Scale (+ NA option). The overall result is calculated by averaging the scores from the 7 points of the scale. Unlike SUS, as there are more questions in PSSUQ, it also has 3 sub-scales, namely system usefulness, information quality, and interface quality.

What is Pssuq?

The current iteration of the Post-Study System Usability Questionnaire (PSSUQ) was developed in 1992 by IBM as a means to perform more in-depth system quality and user satisfaction research. The PSSUQ consists of 16 post-test survey prompts that calculate 3 crucial metrics to rate the usefulness of a product.

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