The following six core processes are applied to reach this goal: 1) present moment awareness, 2) acceptance of difficult emotions or thoughts, 3) decrease in believability of (or attachment to) thoughts, 4) perspective - taking, 5) identification of values, and 6) committed action in service of values. (crimesolutions.gov)
It does, however, bear the mark of a casual observer, and not someone who participates in the lifestyle, which does not encourage a lot of believability in my eyes. (paleodietnews.com)
That test also works with believability of the plaintiff's story. (lawyer-monthly.com)