title: Program evaluation--balancing rigor with reality.
authors.forename: S S
authors.initials: SS
authors.lastname: Gallagher
mesh_terms: D006260:Head Protective Devices; D006266:Health Education; D006801:Humans; D015397:Program Evaluation; D012622:Seat Belts; D014947:Wounds and Injuries / Q000628:therapy*