To determine if frustration causes aggression, an Experiment would be the suitable research method where variables can be manipulated to establish causal relationships.
Experiment would be the research method to determine if frustration causes aggression. In an experiment, researchers can actively manipulate variables, such as inducing frustration in one group of participants and observing their level of aggression compared to a control group. This allows for establishing a causal relationship between frustration and aggression.
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