SPECIAL System and Skills
SPECIAL system parameters (Strength, Perception, Endurance, Charisma, Intelligence, Agility, Luck):
Strength (S) - Strength represents your physical capabilities. It determines how much cargo you can carry and determines your effectiveness in close combat.
Perception (P) - A high Perception value gives advantages when using the Explosives, Lockpicking, and Energy Weapons skills, and also determines the time it takes for red marks to appear on the compass (i.e., when you spot an enemy).
Endurance (E) - Enzurance is a measure of your physical fitness. High Endurance provides a health bonus, environmental resistance, and an advantage when using the Heavy Weapons and Unarmed skills.
Charisma (C) - If you have high Charisma, people will treat you better. This stat gives advantages when using the Barter and Speech skills.
Intelligence (I) - Intelligence provides a bonus to the Science, Repair, and Medicine skills. The higher your Intelligence, the more skill points you receive when you level up.
Agility (A) - Dexterity affects the use of the Light Weapons and Stealth skills, as well as the number of action points in VATS mode.
Luck (L) - With high Luck, all your abilities perform slightly better. Additionally, luckier characters have a higher critical hit chance with all weapons.
SKILLS
Melee Weapons - The Melee Weapons skill determines how effectively you can use melee weapons, from a lead pipe to a high-tech super sledgehammer.
Base SPECIAL: Strength
Energy Weapons - The Energy Weapons skill determines how effectively you can use weapons such as a laser pistol, laser rifle, plasma rifle, or plasma pistol in combat.
Base SPECIAL: Perception
Explosives - The Explosives skill determines the power of the mines you plant, your luck when defusing enemy mines, and the effectiveness of your grenades.
Base SPECIAL: Perception
Lockpicking - The Lockpicking skill is used to open locked doors and drawers.
Base SPECIAL: Perception
Unarmed - The Unarmed skill is used for unarmed combat or brawls with brass knuckles, including power brawls.
Base SPECIAL: Endurance
Heavy Weapons - The Heavy Weapons skill determines how effectively you can use heavy weapons in combat, such as the Fat Man, grenade launcher, flamethrower, minigun, or gatling laser.
Base SPECIAL: Endurance
Barter - The Barter skill affects the prices at which you buy and sell items. Generally, the higher your barter skill, the cheaper you can buy something.
Base SPECIAL: Charisma
Speech - The Speech skill determines how much you can influence your interlocutor during a conversation and gain access to information that would otherwise remain hidden from you.
Base SPECIAL: Charisma
Repair - The Repair skill allows you to maintain the working condition of weapons and equipment. Furthermore, the higher your Repair skill, the better the initial condition of any improvised weapon.
Base SPECIAL: Intelligence
Science - The Science skill represents your overall scientific knowledge and is used primarily for hacking computers.
Base SPECIAL: Intelligence
Medicine - The Medicine skill determines how much health you restore when using a Stimpak, as well as the effectiveness of Rad-X and RadAway.
Base SPECIAL: Intelligence
Small Arms - The Small Arms skill determines how effectively you can use all types of traditional small arms, such as the 10mm pistol, air rifle, assault rifle, and combat shotgun.
Base SPECIAL: Agility
Stealth - The higher your Stealth skill, the easier it is to remain undetected, steal an item, or pick someone's pocket. A successful attack using this skill automatically scores a critical hit.
Base SPECIAL: Agility
Source: about-fallout3.blogspot.com, SSoHPKC
See also:
Fallout 3: Perks (Part 1)
Fallout 3: Perks (Part 2)
Artificial Human