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The only heavy objects provided were an electrical switch and an electrical relay. Participants were questioned on their choice between the two objects after successfully solving the problem. The participants were split into three groups: Group R was given a pretest task to complete an electrical circuit using a relay, Group S completed an identical circuit using a switch, and Group C was the control group made up of engineering students and was given no pretraining. Participants from Group C used both objects equally as the pendulum weight,

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