What is the test for reversal of a finding of guilty of misconduct in a civil case?

Prosecutorial misconduct requires reversal only if it prejudices the defendant. (People v. Fields (1983) 35 Cal.3d 329, 363.) Where it infringes upon the defendant's constitutional rights, reversal is required, unless the reviewing court determines beyond a reasonable doubt that the misconduct did not affect the jury's verdict. (People v. Harris (1989) 47 Cal.3d 1047, 1083.) Prosecutorial misconduct that violates only state

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law is cause for reversal when it is reasonably probable that a result more favorable to the defendant would have occurred had the prosecutor refrained from the objectionable conduct. (People v. Barnett (1998) 17 Cal.4th 1044, 1133.)