title: Supplemental instruction: increasing student performance and persistence in difficult academic courses.
authors.affiliation: Institute for Professional Preparation, University of Missouri, Kansas City.
authors.forename: R
authors.initials: R
authors.lastname: Blanc
authors.forename: D C
authors.initials: DC
authors.lastname: Martin
mesh_terms: D001296:Audiovisual Aids; D004501:Education, Medical / Q000379:methods*; D016730:Program Development; D013647:Task Performance and Analysis; D013663:Teaching / Q000379:methods*; D014481:United States; D014743:Videotape Recording