title: Quasi-experimental designs.
authors.affiliation: Colorado State University, Fort Collins, USA.
authors.forename: G A
authors.initials: GA
authors.lastname: Morgan
authors.forename: J A
authors.initials: JA
authors.lastname: Gliner
authors.forename: R J
authors.initials: RJ
authors.lastname: Harmon
mesh_terms: D006801:Humans; D011446:Prospective Studies; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000592:standards; D012107:Research Design / Q000592:standards*