Spell Resistance

For Casters

With this feat you gain a bonus against all spells of your Highest Spell Level to your save.  A 5^th level Wizard’s Highest Spell Level is 3^rd. He would receive a +3 Bonus to any save that involved a spell.

For Non Castors

With this feat you a gain a bonus against all spells cast at you on your save. The bonus is equal to ¼ of your character level rounded up.  A 10^th level fighter then receives a +3 Bonus to an any save that involved a spell.

Power Resistance

For Psionic Users

With this feat you gain a bonus against all psionic powers of  your highest psionic level to your save. A 5^th level Psion’s Highest Spell Level is 3^rd. He would receive a +3 Bonus to any save that involved a psionic power.

For Non Castors

With this feat you a gain a bonus against all psionic powers that require a save. The bonus is equal to ¼ of your character level rounded up.  A 10^th level fighter then receives a +3 Bonus to an any save against a psionic power used against them.