Answer: G-factor
Step-by-step explanation:
According to the theory of Charles Spearman, G-factor is described a s the general intelligence.It states that working and rising of the cognitive and intellectual abilities is caused due to the wide capacity of mind that instructs the actions.
It helps the the performance and influences the mental abilities of a person.It varies from person to person and thus the performance of every individual for the same task is different.This ability is found in people from inborn stage.