Why Are Psychologists Not in Favor of Smaller Jury Sizes

Why are psychologists not in favor of smaller jury sizes?

A) Tension and interpersonal conflict will be more in small groups as compared to large ones.
B) Smaller juries are less representative of the communities from which they are drawn.
C) Smaller juries spend less time discussing the case.
D) It is harder for a dissenting juror to hold out for her position when she does not have a single ally.