Hi Carla, @carlagoddard 

Posts into “secret” groups are showing up in newsfeed, but only for members of that group. Is that your case?

Are you sure about that, @carlagoddard?  I am a member of many secret Facebook groups and have never had any posts that have ended up with people who aren’t in the group commenting on them or liking them.  
I think the confusing thing is,  all of my secret groups posts appear in my own news feed. But the posts don’t go into the ticker and no one else can see them, they just show in the news feed to get more attention I guess.