Criminal Law & ProcedureConceptReviewPlain errorReading 6 of 6IntroductionForfeiture and PreservationThe Four-Part TestPlain Versus Harmless ErrorApplying the Four StepsReviewOn this page2ReviewEndnotesReviewPractice furtherLaw SchoolQuestions|Level 1|FundamentalsEssays|Short Answer|Core AnalysisBar ExamQuestions|Level 2|ChallengingEssays|Level 2|Maximum PointsPerformance Tasks|Level 1|Core AnalysisReading 6 of 6IntroductionForfeiture and PreservationThe Four-Part TestPlain Versus Harmless ErrorApplying the Four StepsReviewEndnotes111Fed. R. Crim. P. § 52(b)2United States v. Olano, 507 U.S. 725, 732–37 (1993)3Id.4United States v. Olano, 507 U.S. 725, 732–37 (1993)5United States v. Olano, 507 U.S. 725, 732–37 (1993), supra note 4; United States v. Olano, 507 U.S. 725, 732–37 (1993)View All Endnotes