In Re Ty. B.

This is not a constitutional error case. Nor is it a jury case in which .the trial court erroneously instructed the jury. Rather, this case involves some instances where the trial court erroneously applied principles governing exceptions to the hearsay rule. Therefore, the- ultimate question is whether the trial court’s error was harmless. We articulated the proper standard of review for this case in Robinson v. United States, 628 A.2d 1234 (D.C. 1993):

[T]he appropriate test for reversible error is the standard set forth in Kotteakos v. United States, 328 U.S. 750, 765, 66 S.Ct. 1239, 90…