title: [Evaluation of treatment effects in quasi-experimental studies].
authors.affiliation: Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena, Stoystrasse 3, Jena.helmut.kirchmann@med.uni-jena.de
authors.forename: H
authors.initials: H
authors.lastname: Kirchmann
authors.forename: R
authors.initials: R
authors.lastname: Steyer
mesh_terms: D000465:Algorithms; D000704:Analysis of Variance; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D012107:Research Design; D016896:Treatment Outcome