Thanks for the suggestions. I'm thinking if she doesn't start showing some improvement in the next couple of days, I may purchase a second clicker and muffle it with tape or something as suggested and use that for her. The one I bought was "Quick Click" by PetSafe/Triple Crown Products.

Tasha is interested in food but if she's upset she's a lot less likely to be persuaded by a treat than Tommy. She huddles against me shaking like a leaf. She's my little drama queen

Tommy is so thrilled with it that I just can't wait to work with him more. Goldens are already so eager and easy to work with in training and I think he will do beautifully with it.

Thanks much for the links and book references