Intelligence/Fallout 3

Intelligence is one of the seven primary statistics in the SPECIAL system.

Gameplay
Modifies: Medicine, Repair, and Science skills, as well as the number of new skill points per level.

Intelligence determines the number of skill points earned per level up. The base number of skill points gained per level is 10 + INT. ATemporary modifiers to Intelligence (e.g. from Night Person or Button's Wig) do not affect the number of skill points gained when leveling up.

Permanent

 * Bobblehead - Intelligence (+1)
 * Intense Training perk (+1 per rank)
 * No Weaknesses perk (will raise base to 5 if below 5.)
 * Almost Perfect perk (will raise base to 9 if below 9.)

Temporary

 * Button's Wig (+1)
 * Lincoln's hat (+1)
 * Berry Mentats (+5)
 * Mentats (+5)
 * Night Person perk (+2 between 6:00 PM and 6:00 AM)