Question : According to Spearman's theory of intelligence, what is the ' g ' factor?
Option 1: General intelligence that underlies all mental abilities
Option 2: A specific skill or talent
Option 3: Genetic influence on intelligence
Option 4: Group intelligence
Correct Answer: General intelligence that underlies all mental abilities
Solution : Correct Option: Option 1
Explanation: Spearman's theory of intelligence proposes that there is a general intelligence factor (' g ') that underlies all cognitive abilities.