To edit conclusion fields go to a visualizations page.

  1. In the scatterplot or radar chart, select any one item and press Add or edit conclusions.
  2. In the results table, press Tasks and conclusions to show conclusions, if they weren't visible, then press any conclusion cell. At the bottom of the conclusion editing window press Show all conclusions fields if  the field you're intending to delete isn't visible.

Press the trash can button by the conclusion fields name. If any written content exists for the field in the project or any session, they would be deleted along with it. You will first be notified, if such contents exist, after which you can confirm the deletion.