In the 1957 Sidney Lumet film Twelve Angry Men, 12 jurors have to decide over the guilt or innocence of a young man changed with the murder of his father. At the outset, all but one of the jurors are convinced of the youth’s guilt. The lone juror (played by Henry Fond (a) actively attempts to change their minds, standing firm, committed self-confident and unwavering. One by one the other jurors change sides, until in the end they all agree that the accused in not guilty. Which form of social influence is this an example of?