title: Using logic models to facilitate comparisons of evaluation theory.
authors.affiliation: University of California, Los Angeles, United States. alkin@gseis.ucla.edu
authors.forename: Marvin C
authors.initials: MC
authors.lastname: Alkin
authors.forename: Anne T
authors.initials: AT
authors.lastname: Vo
authors.forename: Mark
authors.initials: M
authors.lastname: Hansen
mesh_terms: D006801:Humans; D008128:Logic; D008962:Models, Theoretical; D015397:Program Evaluation / Q000379:methods*; D012107:Research Design