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Gravity Scores

Interpreting Gravity Score Test Results

Synthesizing a gravity score survey follows the same approach as a SUS Report Test. Before you can calculate the score, you should download the csv version of your test results from Helio. 

Once done, follow these steps to synthesize:


Open your Helio data into a spreadsheet format. It should look something like this:

Step one in interpreting a Gravity Score.


Clear out all columns except for the Likert choices. It should then look something like this:

Step two  in interpreting a Gravity Score.


Begin converting the likert responses to their corresponding score designations. The correlations listed below are based on the negative or positive inflection of the question. In a standard SUS, these questions alternate. 

Negative Tone Question Answer ScoresPositive Tone Question Answer Scores
Strongly Disagree4Strongly Disagree0
Strongly Agree0Strongly Agree4


The ‘Ctrl+F’ hotkey for spreadsheets allows for quick replacement and can be done column by column. 

Notice the ‘Neutral’ answer is universally valued at ‘2’. This can be a global replacement. However,  since every other score is based on the inflection of the question, the rest must be done on a column by column basis.

Step three in interpreting a Gravity Score.


Transfer the score breakdowns to your main synthesis document as a designated tab for the test.

Step four in interpreting Gravity Score  test results.


Calculate the average for each question column. These should be listed below the scores, along with a total that adds them together.

Step 5 in interpreting a Gravity Score.


Calculate the gravity score of the test. Don’t forget to provide the link to the raw test data in Helio! The Gravity Score is the total of all averages, multiplied by 2.5. This takes the total of your averages and gives it a score somewhere between 0-100.

Step 6 in interpreting a Gravity Score.