encyclopedia

SEMANTIC DIFFERENTIAL TECHNIQUE

In attitudinal research, a method of rating the emotional connotations of words and concepts by the use of adjectives paired with their opposites. (TRB)

SEMI-ANNUAL BID

In accord with the UTU contract, in March and September all open runs in the system are placed up for bid by seniority choice, regardless of Division. System shake-up – Since the eighties this procedure is no longer in effect.…

SEMI-METRO TRANSIT SYSTEM

A light rail transit system that uses exclusive right-of-way for much of its length, usually at surface grade but occasionally in tunnels or on aerial structures. (TRB)