Kenneth G. Wilson (1923–). The Columbia Guide to Standard American English. 1993.
decide (v.)
is both transitive, as in They will decide the question this week, and intransitive. The intransitive verb can combine with several prepositions: against, as in I decided against calling him; for, as in The judge decided for the prosecution; on and upon, as in I haven’t been able to decide on [upon] a moderator; between and among, as in She’ll have to decide between [among] us; about, as in Only yesterday did she decide about going; and in favor of, as in The jury decided in favor of the defendant. All these are Standard.
