You may have read this elsewhere on the forums, but wrightslaw and the book From Emotions to Advocacy are helpful resources, as is NCLD.

In general, parents may find it most effective to list out:
1) each specific skill deficit to be addressed,
2) ways in which the skills may be acquired (taught/learned/practiced),
3) measures which will indicate progress or mastery for each skill.

More info at this link to Wrightslaw Game Plan: writing S.M.A.R.T. IEPs.