You can definitely TAG UCSB psychology! Just be careful to read and follow every step exactly.
http://admissions.sa.ucsb.edu/docs/default-source/PDFs/ucsb-fall-2015-tag-criteria.pdf?sfvrsn=4
https://admissions.sa.ucsb.edu/applying/transfer/tag
http://admission.universityofcalifornia.edu/counselors/files/tag-matrix.pdf