Answer:
Stimulus motives
Step-by-step explanation:
Stimulus motives are unlearned motives that are not based on internal needs and impulses. These stimuli are sustained by external factors and are usually encouraged by the personality and goals of the individual. In addition, the stimulus motives guide the individual to know more about himself.
Boby has a curious and exploitative personality, which has influenced him to be more active compared to others in his class. All of this can be explained by the existence of stimulus motives.