Cite as: 509 U. S. 389 (1993)
Opinion of the Court
decision applying heightened standard). In Westbrook, a two-paragraph per curiam opinion, we vacated the lower court's judgment affirming the petitioner's conviction, because there had been "a hearing on the issue of [the petitioner's] competence to stand trial," but "no hearing or inquiry into the issue of his competence to waive his constitutional right to the assistance of counsel." 384 U. S., at 150. The Ninth Circuit has reasoned that the "clear implication" of Westbrook is that the Dusky formulation is not "a high enough standard" for determining whether a defendant is competent to waive a constitutional right. Sieling, supra, at 214.7 We think the Ninth Circuit has read too much into Westbrook, and we think it errs in applying two different competency standards.8
A
The standard adopted by the Ninth Circuit is whether a defendant who seeks to plead guilty or waive counsel has the capacity for "reasoned choice" among the alternatives available to him. How this standard is different from (much less higher than) the Dusky standard—whether the defendant has a "rational understanding" of the proceedings—is not readily apparent to us. In fact, respondent himself opposed certiorari on the ground that the difference between the two standards is merely one of "terminology," Brief in Opposition 4, and he devotes little space in his brief on the merits to a defense of the Ninth Circuit's standard, see, e. g., Brief for
7 A criminal defendant waives three constitutional rights when he pleads guilty: the privilege against self-incrimination, the right to a jury trial, and the right to confront one's accusers. Boykin v. Alabama, 395 U. S. 238, 243 (1969).
8 Although this case comes to us by way of federal habeas corpus, we do not dispose of it on the ground that the heightened competency standard is a "new rule" for purposes of Teague v. Lane, 489 U. S. 288 (1989), because petitioner did not raise a Teague defense in the lower courts or in his petition for certiorari. See Parke v. Raley, 506 U. S. 20, 26 (1992); Collins v. Youngblood, 497 U. S. 37, 41 (1990).
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