Problem: Loftus (1979) found that when an eyewitness who had testified against the defendant in a hypothetical robbery-murder case was discredited because of having poor vision: Need Assignment Help? Group of answer choices about half the jurors switched their votes from guilty to innocent. the majority of jurors still voted for conviction. jurors regarded the eyewitness testimony as useless and it had no impact on their verdict. a boomerang effect occurred with all the jurors changing their votes in favor of an acquittal.