The document discusses several theories of intelligence:
- Charles Spearman proposed a general intelligence factor (g) that underlies performance on all cognitive tasks.
- Louis Thurstone identified seven primary mental abilities rather than a general intelligence.
- Robert Sternberg described intelligence as involving analytical, creative, and practical abilities.
- Daniel Goleman's model of emotional intelligence focuses on self-awareness, self-management, social awareness, and relationship management.
The document also reviews intelligence testing approaches and factors that can influence measured intelligence.