1. Is it true (absolutely and certainly, without a doubt)?

2. Is it good (i.e., peaceful, loving, empathetic, uplifting)?

3. Is it useful (i.e., helpful, beneficial)?

That's an is it gossip test that I read in K Pearson Bradley's "Do This to Stop Gossip, Socrates’s Advice for More Harmonious Relationships" https://medium.com/@k.pearson.bradley/do-this-to-stop-gossip-2e1942f9a531, which I worked into my essay https://marcus17043.medium.com/why-do-good-people-fear-their-own-shadow-8e5a921ac775