The fact that Henry voted along with the other jurors even though he thought the accused was guilty, means that this is the Asch Effect.
This is a phenomenon where human beings go along with the decision of a larger group so as not to be left out. They often do this despite their negative feelings about the decisions.
Henry had negative feelings about the not guilty verdict but still went along with it to conform with the other jurors.
Find out more on the Asch Effect at https://brainly.com/question/7836323.