### == Intelligene vs Achievement ==

Achievement - refers to knowledge and skills gained from experience
intelligence - is the ability to learn from experience, to think rationally, and to deal effectively with others
Think of SAT 1 vs SAT 2 (Aptitude vs Achievement)
SAT 2's used to be called the Achievements

### == Spearman's Two Factor Theory ==

G - General intelligence: Underlies all our intellectual abilities. It also speaks to our abilities to reason and solve problems
S - Specific factors account for people's specific abilities