Research on the effects of aggressive stimuli shows that option b, the presence of guns increases the probability of aggressive behavior in the presence of frustration or provocation.
Aggressive stimuli refer to any thing, action, or experience that initiates aggression in a person. Aggressive stimuli can be identified immediately by humans just as they identify snakes and spiders as dangerous. Weapons are potential aggressive stimuli that can generate curiosity and will to use it. Weapons increase thoughts on aggression and hostile incidents.
In 1967, Anthony LePage and Leonard Berkowitz conducted a study on the effects of weapons which presented that participants could not ignore guns on the table. They were more aggressive at the sight of the gun in comparison to its absence.
Learn more about aggression here https://brainly.com/question/16961914
#SPJ4