I would use her name...repeatedly. Good girl, Lexi, Lexi come, whatever..every time I spoke to her I'd use her name.
Since she knows the word...treat...I bet she'd start responding to Lexi, want a treat???
If you want to change her name...I do what I suggested above for that too.
__________________ Deb, Reese, Reggie, Frazier, Libby, Sidney, & Bodie |