title: Effects of a problem-based learning approach on attitude change and science and policy content knowledge.
authors.affiliation: Department of Biology, Clarkson University, Potsdam, NY 13699-5805, USA. tlangen@clarkson.edu
authors.forename: Tom A
authors.initials: TA
authors.lastname: Langen
authors.forename: Rick
authors.initials: R
authors.lastname: Welsh
mesh_terms: D001290:Attitude; D002170:Canada; D003247:Conservation of Natural Resources / Q000379:methods*; D003479:Curriculum; D018794:Problem-Based Learning / Q000379:methods*; D011640:Public Policy; D013334:Students / Q000523:psychology*; D014481:United States